31982980

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6691}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 67455360

約数和(自身を除く): 35472380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 6691, 13382, 26764, 33455, 66910, 133820, 1599149, 3198298, 6396596, 7995745, 15991490, 31982980]

約数ペア:

[(1, 31982980), (2, 15991490), (4, 7995745), (5, 6396596), (10, 3198298), (20, 1599149), (239, 133820), (478, 66910), (956, 33455), (1195, 26764), (2390, 13382), (4780, 6691)]