64343480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37409}}^1$

素因数の和:37463

約数の個数: 32

約数和(自身を含む): 148143600

約数和(自身を除く): 83800120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 37409, 74818, 149636, 187045, 299272, 374090, 748180, 1496360, 1608587, 3217174, 6434348, 8042935, 12868696, 16085870, 32171740, 64343480]

約数ペア:

[(1, 64343480), (2, 32171740), (4, 16085870), (5, 12868696), (8, 8042935), (10, 6434348), (20, 3217174), (40, 1608587), (43, 1496360), (86, 748180), (172, 374090), (215, 299272), (344, 187045), (430, 149636), (860, 74818), (1720, 37409)]