64172120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84437}}^1$

素因数の和:84467

約数の個数: 32

約数和(自身を含む): 151988400

約数和(自身を除く): 87816280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 84437, 168874, 337748, 422185, 675496, 844370, 1604303, 1688740, 3208606, 3377480, 6417212, 8021515, 12834424, 16043030, 32086060, 64172120]

約数ペア:

[(1, 64172120), (2, 32086060), (4, 16043030), (5, 12834424), (8, 8021515), (10, 6417212), (19, 3377480), (20, 3208606), (38, 1688740), (40, 1604303), (76, 844370), (95, 675496), (152, 422185), (190, 337748), (380, 168874), (760, 84437)]