Q: What is the sum of all factors of the number 1,801,640 including 1,801,640?
A: 4,115,880
The factors of the number 1,801,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 617, 730, 1234, 1460, 2468, 2920, 3085, 4936, 6170, 12340, 24680, 45041, 90082, 180164, 225205, 360328, 450410, 900820, 1801640.
If you add them up, you will get the total of 4,115,880.