86774980

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{2801}}^1$

素因数の和:4359

約数の個数: 24

約数和(自身を含む): 182410200

約数和(自身を除く): 95635220

約数列:

[1, 2, 4, 5, 10, 20, 1549, 2801, 3098, 5602, 6196, 7745, 11204, 14005, 15490, 28010, 30980, 56020, 4338749, 8677498, 17354996, 21693745, 43387490, 86774980]

約数ペア:

[(1, 86774980), (2, 43387490), (4, 21693745), (5, 17354996), (10, 8677498), (20, 4338749), (1549, 56020), (2801, 30980), (3098, 28010), (5602, 15490), (6196, 14005), (7745, 11204)]