Q: What is the sum of all factors of the number 123,520 excluding 123,520?
A: 173,300
The factors of the number 123,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 320, 386, 640, 772, 965, 1544, 1930, 3088, 3860, 6176, 7720, 12352, 15440, 24704, 30880, 61760, 123520.
If you add them up, you will get the total of 123,693. Now subtract 123,520 to get 173,300