138541040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157433}}^1$

素因数の和:157457

約数の個数: 40

約数和(自身を含む): 351392688

約数和(自身を除く): 212851648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 157433, 314866, 629732, 787165, 1259464, 1574330, 1731763, 2518928, 3148660, 3463526, 6297320, 6927052, 8658815, 12594640, 13854104, 17317630, 27708208, 34635260, 69270520, 138541040]

約数ペア:

[(1, 138541040), (2, 69270520), (4, 34635260), (5, 27708208), (8, 17317630), (10, 13854104), (11, 12594640), (16, 8658815), (20, 6927052), (22, 6297320), (40, 3463526), (44, 3148660), (55, 2518928), (80, 1731763), (88, 1574330), (110, 1259464), (176, 787165), (220, 629732), (440, 314866), (880, 157433)]