Q: What is the sum of all factors of the number 638,564 excluding 638,564?

 A: 485,020

Why is 485,020 the sum of all factors of 638,564, excluding 638,564?

The factors of the number 638,564 are: 1, 2, 4, 263, 526, 607, 1052, 1214, 2428, 159641, 319282, 638564.

If you add them up, you will get the total of 639,049. Now subtract 638,564 to get 485,020


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