Q: What is the sum of all factors of the number 81,940 excluding 81,940?

 A: 101,012

Why is 101,012 the sum of all factors of 81,940, excluding 81,940?

The factors of the number 81,940 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 340, 482, 964, 1205, 2410, 4097, 4820, 8194, 16388, 20485, 40970, 81940.

If you add them up, you will get the total of 82,041. Now subtract 81,940 to get 101,012


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