Q: What is the sum of all factors of the number 2,555,780 excluding 2,555,780?

 A: 3,127,828

Why is 3,127,828 the sum of all factors of 2,555,780, excluding 2,555,780?

The factors of the number 2,555,780 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 7517, 15034, 30068, 37585, 75170, 127789, 150340, 255578, 511156, 638945, 1277890, 2555780.

If you add them up, you will get the total of 2,555,783. Now subtract 2,555,780 to get 3,127,828


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