Q: What is the sum of all factors of the number 612,313,040 excluding 612,313,040?

A: 812,414,968

Why is 812,414,968 the sum of all factors of 612,313,040, excluding 612,313,040?

The factors of the number 612,313,040 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1913, 3826, 4001, 7652, 8002, 9565, 15304, 16004, 19130, 20005, 30608, 32008, 38260, 40010, 64016, 76520, 80020, 153040, 160040, 320080, 7653913, 15307826, 30615652, 38269565, 61231304, 76539130, 122462608, 153078260, 306156520, 612313040.

If you add them up, you will get the total of 612,313,852. Now subtract 612,313,040 to get 812,414,968