Q: What is the sum of all factors of the number 26,220 excluding 26,220?

A: 54,420

Why is 54,420 the sum of all factors of 26,220, excluding 26,220?

The factors of the number 26,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 190, 228, 230, 276, 285, 345, 380, 437, 460, 570, 690, 874, 1140, 1311, 1380, 1748, 2185, 2622, 4370, 5244, 6555, 8740, 13110, 26220.

If you add them up, you will get the total of 26,274. Now subtract 26,220 to get 54,420