Q: What is the sum of all factors of the number 172,540 excluding 172,540?

A: 189,836

Why is 189,836 the sum of all factors of 172,540, excluding 172,540?

The factors of the number 172,540 are: 1, 2, 4, 5, 10, 20, 8627, 17254, 34508, 43135, 86270, 172540.

If you add them up, you will get the total of 172,729. Now subtract 172,540 to get 189,836

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