Q: What is the sum of all factors of the number 123,880 excluding 123,880?
A: 171,320
The factors of the number 123,880 are: 1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 760, 815, 1304, 1630, 3097, 3260, 6194, 6520, 12388, 15485, 24776, 30970, 61940, 123880.
If you add them up, you will get the total of 124,051. Now subtract 123,880 to get 171,320