Q: What is the sum of all factors of the number 256,432,040 excluding 256,432,040?

A: 334,616,320

Why is 334,616,320 the sum of all factors of 256,432,040, excluding 256,432,040?

The factors of the number 256,432,040 are: 1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 156361, 312722, 625444, 781805, 1250888, 1563610, 3127220, 6254440, 6410801, 12821602, 25643204, 32054005, 51286408, 64108010, 128216020, 256432040.

If you add them up, you will get the total of 256,432,374. Now subtract 256,432,040 to get 334,616,320