39663620

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{1553}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 83412504

約数和(自身を除く): 43748884

約数列:

[1, 2, 4, 5, 10, 20, 1277, 1553, 2554, 3106, 5108, 6212, 6385, 7765, 12770, 15530, 25540, 31060, 1983181, 3966362, 7932724, 9915905, 19831810, 39663620]

約数ペア:

[(1, 39663620), (2, 19831810), (4, 9915905), (5, 7932724), (10, 3966362), (20, 1983181), (1277, 31060), (1553, 25540), (2554, 15530), (3106, 12770), (5108, 7765), (6212, 6385)]