Q: What is the sum of all factors of the number 511,320 excluding 511,320?

Why is 1,023,000 the sum of all factors of 511,320, excluding 511,320?

The factors of the number 511,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 4261, 8522, 12783, 17044, 21305, 25566, 34088, 42610, 51132, 63915, 85220, 102264, 127830, 170440, 255660, 511320.

If you add them up, you will get the total of 511,321. Now subtract 511,320 to get 1,023,000

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