Q: What is the sum of all factors of the number 278,080 including 278,080?

A: 731,520

Why is 731,520 the sum of all factors of 278,080, including 278,080?

The factors of the number 278,080 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 158, 160, 176, 220, 316, 320, 352, 395, 440, 632, 704, 790, 869, 880, 1264, 1580, 1738, 1760, 2528, 3160, 3476, 3520, 4345, 5056, 6320, 6952, 8690, 12640, 13904, 17380, 25280, 27808, 34760, 55616, 69520, 139040, 278080.

If you add them up, you will get the total of 731,520.