85340440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15349}}^1$

素因数の和:15499

約数の個数: 32

約数和(自身を含む): 193410000

約数和(自身を除く): 108069560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 15349, 30698, 61396, 76745, 122792, 153490, 306980, 613960, 2133511, 4267022, 8534044, 10667555, 17068088, 21335110, 42670220, 85340440]

約数ペア:

[(1, 85340440), (2, 42670220), (4, 21335110), (5, 17068088), (8, 10667555), (10, 8534044), (20, 4267022), (40, 2133511), (139, 613960), (278, 306980), (556, 153490), (695, 122792), (1112, 76745), (1390, 61396), (2780, 30698), (5560, 15349)]