Is 1240 an abundant number and what is its abundance?

Is 1240 an abundant number?

Here we will explain and calculate if 1240 is an abundant number and its abundance if applicable.

1240 is an abundant number if the sum of its proper divisors is greater than 1240.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 5 + 8 + 10 + 20 + 31 + 40 + 62 + 124 + 155 + 248 + 310 + 620 = 1640.

1640 is greater than 1240. Therefore, 1240 is an abundant number.

The abundance of 1240 is the sum of its proper divisors minus 1240. Thus, the abundance of 1240 is 1640 - 1240 = 400

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