Is 1720 an abundant number and what is its abundance?

Is 1720 an abundant number?

Here we will explain and calculate if 1720 is an abundant number and its abundance if applicable.

1720 is an abundant number if the sum of its proper divisors is greater than 1720.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 5 + 8 + 10 + 20 + 40 + 43 + 86 + 172 + 215 + 344 + 430 + 860 = 2240.

2240 is greater than 1720. Therefore, 1720 is an abundant number.

The abundance of 1720 is the sum of its proper divisors minus 1720. Thus, the abundance of 1720 is 2240 - 1720 = 520

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