38999920

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4733}}^1$

素因数の和:4849

約数の個数: 40

約数和(自身を含む): 91574496

約数和(自身を除く): 52574576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 4733, 8240, 9466, 18932, 23665, 37864, 47330, 75728, 94660, 189320, 378640, 487499, 974998, 1949996, 2437495, 3899992, 4874990, 7799984, 9749980, 19499960, 38999920]

約数ペア:

[(1, 38999920), (2, 19499960), (4, 9749980), (5, 7799984), (8, 4874990), (10, 3899992), (16, 2437495), (20, 1949996), (40, 974998), (80, 487499), (103, 378640), (206, 189320), (412, 94660), (515, 75728), (824, 47330), (1030, 37864), (1648, 23665), (2060, 18932), (4120, 9466), (4733, 8240)]