40389050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{62137}}^1$

素因数の和:62162

約数の個数: 24

約数和(自身を含む): 80903676

約数和(自身を除く): 40514626

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 62137, 124274, 310685, 621370, 807781, 1553425, 1615562, 3106850, 4038905, 8077810, 20194525, 40389050]

約数ペア:

[(1, 40389050), (2, 20194525), (5, 8077810), (10, 4038905), (13, 3106850), (25, 1615562), (26, 1553425), (50, 807781), (65, 621370), (130, 310685), (325, 124274), (650, 62137)]