7648220

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1009}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 16119600

約数和(自身を除く): 8471380

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1009, 1516, 1895, 2018, 3790, 4036, 5045, 7580, 10090, 20180, 382411, 764822, 1529644, 1912055, 3824110, 7648220]

約数ペア:

[(1, 7648220), (2, 3824110), (4, 1912055), (5, 1529644), (10, 764822), (20, 382411), (379, 20180), (758, 10090), (1009, 7580), (1516, 5045), (1895, 4036), (2018, 3790)]