72533960

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{2111}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 163468800

約数和(自身を除く): 90934840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 2111, 3436, 4222, 4295, 6872, 8444, 8590, 10555, 16888, 17180, 21110, 34360, 42220, 84440, 1813349, 3626698, 7253396, 9066745, 14506792, 18133490, 36266980, 72533960]

約数ペア:

[(1, 72533960), (2, 36266980), (4, 18133490), (5, 14506792), (8, 9066745), (10, 7253396), (20, 3626698), (40, 1813349), (859, 84440), (1718, 42220), (2111, 34360), (3436, 21110), (4222, 17180), (4295, 16888), (6872, 10555), (8444, 8590)]