Q: What is the sum of all factors of the number 129,320 excluding 129,320?
A: 172,000
The factors of the number 129,320 are: 1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 530, 610, 1060, 1220, 2120, 2440, 3233, 6466, 12932, 16165, 25864, 32330, 64660, 129320.
If you add them up, you will get the total of 129,492. Now subtract 129,320 to get 172,000