168558680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113891}}^1$

素因数の和:113939

約数の個数: 32

約数和(自身を含む): 389510640

約数和(自身を除く): 220951960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 113891, 227782, 455564, 569455, 911128, 1138910, 2277820, 4213967, 4555640, 8427934, 16855868, 21069835, 33711736, 42139670, 84279340, 168558680]

約数ペア:

[(1, 168558680), (2, 84279340), (4, 42139670), (5, 33711736), (8, 21069835), (10, 16855868), (20, 8427934), (37, 4555640), (40, 4213967), (74, 2277820), (148, 1138910), (185, 911128), (296, 569455), (370, 455564), (740, 227782), (1480, 113891)]