158159480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20071}}^1$

素因数の和:20279

約数の個数: 32

約数和(自身を含む): 357683040

約数和(自身を除く): 199523560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 20071, 40142, 80284, 100355, 160568, 200710, 401420, 802840, 3953987, 7907974, 15815948, 19769935, 31631896, 39539870, 79079740, 158159480]

約数ペア:

[(1, 158159480), (2, 79079740), (4, 39539870), (5, 31631896), (8, 19769935), (10, 15815948), (20, 7907974), (40, 3953987), (197, 802840), (394, 401420), (788, 200710), (985, 160568), (1576, 100355), (1970, 80284), (3940, 40142), (7880, 20071)]