Q: What is the sum of all factors of the number 75,680 excluding 75,680?

A: 123,904

Why is 123,904 the sum of all factors of 75,680, excluding 75,680?

The factors of the number 75,680 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 430, 440, 473, 688, 860, 880, 946, 1376, 1720, 1760, 1892, 2365, 3440, 3784, 4730, 6880, 7568, 9460, 15136, 18920, 37840, 75680.

If you add them up, you will get the total of 75,803. Now subtract 75,680 to get 123,904