Is 6640 an abundant number and what is its abundance?

Is 6640 an abundant number?

Here we will explain and calculate if 6640 is an abundant number and its abundance if applicable.

6640 is an abundant number if the sum of its proper divisors is greater than 6640.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 5 + 8 + 10 + 16 + 20 + 40 + 80 + 83 + 166 + 332 + 415 + 664 + 830 + 1328 + 1660 + 3320 = 8984.

8984 is greater than 6640. Therefore, 6640 is an abundant number.

The abundance of 6640 is the sum of its proper divisors minus 6640. Thus, the abundance of 6640 is 8984 - 6640 = 2344

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