Q: What is the sum of all factors of the number 163,720 excluding 163,720?

A: 204,740

Why is 204,740 the sum of all factors of 163,720, excluding 163,720?

The factors of the number 163,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 4093, 8186, 16372, 20465, 32744, 40930, 81860, 163720.

If you add them up, you will get the total of 163,924. Now subtract 163,720 to get 204,740

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