71866960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81667}}^1$

素因数の和:81691

約数の個数: 40

約数和(自身を含む): 182282976

約数和(自身を除く): 110416016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81667, 163334, 326668, 408335, 653336, 816670, 898337, 1306672, 1633340, 1796674, 3266680, 3593348, 4491685, 6533360, 7186696, 8983370, 14373392, 17966740, 35933480, 71866960]

約数ペア:

[(1, 71866960), (2, 35933480), (4, 17966740), (5, 14373392), (8, 8983370), (10, 7186696), (11, 6533360), (16, 4491685), (20, 3593348), (22, 3266680), (40, 1796674), (44, 1633340), (55, 1306672), (80, 898337), (88, 816670), (110, 653336), (176, 408335), (220, 326668), (440, 163334), (880, 81667)]