Q: What is the sum of all factors of the number 128,320 excluding 128,320?
A: 178,004
The factors of the number 128,320 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 401, 802, 1604, 2005, 3208, 4010, 6416, 8020, 12832, 16040, 25664, 32080, 64160, 128320.
If you add them up, you will get the total of 128,498. Now subtract 128,320 to get 178,004