86640440

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{5807}}^1$

素因数の和:6191

約数の個数: 32

約数和(自身を含む): 195497280

約数和(自身を除く): 108856840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 5807, 7460, 11614, 14920, 23228, 29035, 46456, 58070, 116140, 232280, 2166011, 4332022, 8664044, 10830055, 17328088, 21660110, 43320220, 86640440]

約数ペア:

[(1, 86640440), (2, 43320220), (4, 21660110), (5, 17328088), (8, 10830055), (10, 8664044), (20, 4332022), (40, 2166011), (373, 232280), (746, 116140), (1492, 58070), (1865, 46456), (2984, 29035), (3730, 23228), (5807, 14920), (7460, 11614)]