40165808

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{15401}}^1$

素因数の和:15572

約数の個数: 20

約数和(自身を含む): 78303768

約数和(自身を除く): 38137960

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 15401, 30802, 61604, 123208, 246416, 2510363, 5020726, 10041452, 20082904, 40165808]

約数ペア:

[(1, 40165808), (2, 20082904), (4, 10041452), (8, 5020726), (16, 2510363), (163, 246416), (326, 123208), (652, 61604), (1304, 30802), (2608, 15401)]