Q: What is the sum of all factors of the number 863,680 excluding 863,680?

Why is 1,193,720 the sum of all factors of 863,680, excluding 863,680?

The factors of the number 863,680 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2699, 5398, 10796, 13495, 21592, 26990, 43184, 53980, 86368, 107960, 172736, 215920, 431840, 863680.

If you add them up, you will get the total of 863,681. Now subtract 863,680 to get 1,193,720

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