Q: What is the sum of all factors of the number 40,139,990 excluding 40,139,990?

 A: 38,680,570

Why is 38,680,570 the sum of all factors of 40,139,990, excluding 40,139,990?

The factors of the number 40,139,990 are: 1, 2, 5, 10, 11, 22, 55, 110, 364909, 729818, 1824545, 3649090, 4013999, 8027998, 20069995, 40139990.

If you add them up, you will get the total of 40,140,028. Now subtract 40,139,990 to get 38,680,570


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