72977020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{84857}}^1$

素因数の和:84909

約数の個数: 24

約数和(自身を含む): 156817584

約数和(自身を除く): 83840564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 84857, 169714, 339428, 424285, 848570, 1697140, 3648851, 7297702, 14595404, 18244255, 36488510, 72977020]

約数ペア:

[(1, 72977020), (2, 36488510), (4, 18244255), (5, 14595404), (10, 7297702), (20, 3648851), (43, 1697140), (86, 848570), (172, 424285), (215, 339428), (430, 169714), (860, 84857)]