Q: What is the sum of all factors of the number 20,780,280 including 20,780,280?

Why is 70,502,400 the sum of all factors of 20,780,280, including 20,780,280?

The factors of the number 20,780,280 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 271, 284, 355, 360, 426, 540, 542, 568, 639, 710, 813, 852, 1065, 1080, 1084, 1278, 1355, 1420, 1626, 1704, 1917, 2130, 2168, 2439, 2556, 2710, 2840, 3195, 3252, 3834, 4065, 4260, 4878, 5112, 5420, 6390, 6504, 7317, 7668, 8130, 8520, 9585, 9756, 10840, 12195, 12780, 14634, 15336, 16260, 19170, 19241, 19512, 24390, 25560, 29268, 32520, 36585, 38340, 38482, 48780, 57723, 58536, 73170, 76680, 76964, 96205, 97560, 115446, 146340, 153928, 173169, 192410, 230892, 288615, 292680, 346338, 384820, 461784, 519507, 577230, 692676, 769640, 865845, 1039014, 1154460, 1385352, 1731690, 2078028, 2308920, 2597535, 3463380, 4156056, 5195070, 6926760, 10390140, 20780280.

If you add them up, you will get the total of 70,502,400.

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