Is 2680 a deficient number and what is its deficiency?

Is 2680 a deficient number?

Here we will explain and calculate if 2680 is a deficient number and its deficiency if applicable.

2680 is a deficient number if the sum of its proper divisors is less than 2680.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 5 + 8 + 10 + 20 + 40 + 67 + 134 + 268 + 335 + 536 + 670 + 1340 = 3440.

3440 is not less than 2680. Therefore, 2680 is not a deficient number.

The deficiency of 2680 is 2680 minus the sum of its proper divisors. Thus, the deficiency of 2680 is 2680 - 3440 = No Deficiency

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