73819820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{85837}}^1$

素因数の和:85889

約数の個数: 24

約数和(自身を含む): 158628624

約数和(自身を除く): 84808804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 85837, 171674, 343348, 429185, 858370, 1716740, 3690991, 7381982, 14763964, 18454955, 36909910, 73819820]

約数ペア:

[(1, 73819820), (2, 36909910), (4, 18454955), (5, 14763964), (10, 7381982), (20, 3690991), (43, 1716740), (86, 858370), (172, 429185), (215, 343348), (430, 171674), (860, 85837)]