Q: What is the sum of all factors of the number 810,800 excluding 810,800?

Why is 1,138,108 the sum of all factors of 810,800, excluding 810,800?

The factors of the number 810,800 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2027, 4054, 8108, 10135, 16216, 20270, 32432, 40540, 50675, 81080, 101350, 162160, 202700, 405400, 810800.

If you add them up, you will get the total of 810,801. Now subtract 810,800 to get 1,138,108

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