Q: What is the sum of all factors of the number 63,207,380 excluding 63,207,380?

Why is 69,528,160 the sum of all factors of 63,207,380, excluding 63,207,380?

The factors of the number 63,207,380 are: 1, 2, 4, 5, 10, 20, 3160369, 6320738, 12641476, 15801845, 31603690, 63207380.

If you add them up, you will get the total of 63,207,449. Now subtract 63,207,380 to get 69,528,160

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