Q: What is the sum of all factors of the number 27,520 excluding 27,520?
A: 39,800
The factors of the number 27,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 5504, 6880, 13760, 27520.
If you add them up, you will get the total of 27,559. Now subtract 27,520 to get 39,800