81002360

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13591}}^1$

素因数の和:13751

約数の個数: 32

約数和(自身を含む): 183492000

約数和(自身を除く): 102489640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 13591, 27182, 54364, 67955, 108728, 135910, 271820, 543640, 2025059, 4050118, 8100236, 10125295, 16200472, 20250590, 40501180, 81002360]

約数ペア:

[(1, 81002360), (2, 40501180), (4, 20250590), (5, 16200472), (8, 10125295), (10, 8100236), (20, 4050118), (40, 2025059), (149, 543640), (298, 271820), (596, 135910), (745, 108728), (1192, 67955), (1490, 54364), (2980, 27182), (5960, 13591)]