Q: What is the sum of all factors of the number 123,578,680 excluding 123,578,680?

A: 159,037,160

Why is 159,037,160 the sum of all factors of 123,578,680, excluding 123,578,680?

The factors of the number 123,578,680 are: 1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 50647, 101294, 202588, 253235, 405176, 506470, 1012940, 2025880, 3089467, 6178934, 12357868, 15447335, 24715736, 30894670, 61789340, 123578680.

If you add them up, you will get the total of 123,578,839. Now subtract 123,578,680 to get 159,037,160