Q: What is the sum of all factors of the number 1,643,680 excluding 1,643,680?

Why is 2,239,892 the sum of all factors of 1,643,680, excluding 1,643,680?

The factors of the number 1,643,680 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 10273, 20546, 41092, 51365, 82184, 102730, 164368, 205460, 328736, 410920, 821840, 1643680.

If you add them up, you will get the total of 1,643,682. Now subtract 1,643,680 to get 2,239,892

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