61913140

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{8623}}^1$

素因数の和:8991

約数の個数: 24

約数和(自身を含む): 130394880

約数和(自身を除く): 68481740

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 8623, 17246, 34492, 43115, 86230, 172460, 3095657, 6191314, 12382628, 15478285, 30956570, 61913140]

約数ペア:

[(1, 61913140), (2, 30956570), (4, 15478285), (5, 12382628), (10, 6191314), (20, 3095657), (359, 172460), (718, 86230), (1436, 43115), (1795, 34492), (3590, 17246), (7180, 8623)]