Q: What is the sum of all factors of the number 2,557,520 excluding 2,557,520?

A: 4,239,664

Why is 4,239,664 the sum of all factors of 2,557,520, excluding 2,557,520?

The factors of the number 2,557,520 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4567, 9134, 18268, 22835, 31969, 36536, 45670, 63938, 73072, 91340, 127876, 159845, 182680, 255752, 319690, 365360, 511504, 639380, 1278760, 2557520.

If you add them up, you will get the total of 2,557,524. Now subtract 2,557,520 to get 4,239,664