Q: What is the sum of all factors of the number 139,040 excluding 139,040?

A: 223,840

Why is 223,840 the sum of all factors of 139,040, excluding 139,040?

The factors of the number 139,040 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 79, 80, 88, 110, 158, 160, 176, 220, 316, 352, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 1760, 2528, 3160, 3476, 4345, 6320, 6952, 8690, 12640, 13904, 17380, 27808, 34760, 69520, 139040.

If you add them up, you will get the total of 139,263. Now subtract 139,040 to get 223,840