68123540

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{2767}}^1$

素因数の和:4007

約数の個数: 24

約数和(自身を含む): 143227392

約数和(自身を除く): 75103852

約数列:

[1, 2, 4, 5, 10, 20, 1231, 2462, 2767, 4924, 5534, 6155, 11068, 12310, 13835, 24620, 27670, 55340, 3406177, 6812354, 13624708, 17030885, 34061770, 68123540]

約数ペア:

[(1, 68123540), (2, 34061770), (4, 17030885), (5, 13624708), (10, 6812354), (20, 3406177), (1231, 55340), (2462, 27670), (2767, 24620), (4924, 13835), (5534, 12310), (6155, 11068)]