27999140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{953}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 63948528

約数和(自身を除く): 35949388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 953, 1130, 1469, 1906, 2260, 2938, 3812, 4765, 5876, 7345, 9530, 12389, 14690, 19060, 24778, 29380, 49556, 61945, 107689, 123890, 215378, 247780, 430756, 538445, 1076890, 1399957, 2153780, 2799914, 5599828, 6999785, 13999570, 27999140]

約数ペア:

[(1, 27999140), (2, 13999570), (4, 6999785), (5, 5599828), (10, 2799914), (13, 2153780), (20, 1399957), (26, 1076890), (52, 538445), (65, 430756), (113, 247780), (130, 215378), (226, 123890), (260, 107689), (452, 61945), (565, 49556), (953, 29380), (1130, 24778), (1469, 19060), (1906, 14690), (2260, 12389), (2938, 9530), (3812, 7345), (4765, 5876)]