31944980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11491}}^1$

素因数の和:11639

約数の個数: 24

約数和(自身を含む): 67572960

約数和(自身を除く): 35627980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 11491, 22982, 45964, 57455, 114910, 229820, 1597249, 3194498, 6388996, 7986245, 15972490, 31944980]

約数ペア:

[(1, 31944980), (2, 15972490), (4, 7986245), (5, 6388996), (10, 3194498), (20, 1597249), (139, 229820), (278, 114910), (556, 57455), (695, 45964), (1390, 22982), (2780, 11491)]