72179740

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2243}}^1$

素因数の和:3861

約数の個数: 24

約数和(自身を含む): 151739280

約数和(自身を除く): 79559540

約数列:

[1, 2, 4, 5, 10, 20, 1609, 2243, 3218, 4486, 6436, 8045, 8972, 11215, 16090, 22430, 32180, 44860, 3608987, 7217974, 14435948, 18044935, 36089870, 72179740]

約数ペア:

[(1, 72179740), (2, 36089870), (4, 18044935), (5, 14435948), (10, 7217974), (20, 3608987), (1609, 44860), (2243, 32180), (3218, 22430), (4486, 16090), (6436, 11215), (8045, 8972)]