Q: What is the sum of all factors of the number 25,388,028 excluding 25,388,028?

A: 42,166,732

Why is 42,166,732 the sum of all factors of 25,388,028, excluding 25,388,028?

The factors of the number 25,388,028 are: 1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 37117, 74234, 111351, 148468, 222702, 334053, 445404, 668106, 705223, 1336212, 1410446, 2115669, 2820892, 4231338, 6347007, 8462676, 12694014, 25388028.

If you add them up, you will get the total of 25,388,070. Now subtract 25,388,028 to get 42,166,732