16718960

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2029}}^1$

素因数の和:2145

約数の個数: 40

約数和(自身を含む): 39268320

約数和(自身を除く): 22549360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2029, 2060, 4058, 4120, 8116, 8240, 10145, 16232, 20290, 32464, 40580, 81160, 162320, 208987, 417974, 835948, 1044935, 1671896, 2089870, 3343792, 4179740, 8359480, 16718960]

約数ペア:

[(1, 16718960), (2, 8359480), (4, 4179740), (5, 3343792), (8, 2089870), (10, 1671896), (16, 1044935), (20, 835948), (40, 417974), (80, 208987), (103, 162320), (206, 81160), (412, 40580), (515, 32464), (824, 20290), (1030, 16232), (1648, 10145), (2029, 8240), (2060, 8116), (4058, 4120)]