1615940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1879}}^1$

素因数の和:1931

約数の個数: 24

約数和(自身を含む): 3474240

約数和(自身を除く): 1858300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1879, 3758, 7516, 9395, 18790, 37580, 80797, 161594, 323188, 403985, 807970, 1615940]

約数ペア:

[(1, 1615940), (2, 807970), (4, 403985), (5, 323188), (10, 161594), (20, 80797), (43, 37580), (86, 18790), (172, 9395), (215, 7516), (430, 3758), (860, 1879)]