Q: What is the sum of all factors of the number 8,215,120 excluding 8,215,120?

A: 11,549,240

Why is 11,549,240 the sum of all factors of 8,215,120, excluding 8,215,120?

The factors of the number 8,215,120 are: 1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 3541, 7082, 14164, 17705, 28328, 35410, 56656, 70820, 102689, 141640, 205378, 283280, 410756, 513445, 821512, 1026890, 1643024, 2053780, 4107560, 8215120.

If you add them up, you will get the total of 8,215,131. Now subtract 8,215,120 to get 11,549,240