89331880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18457}}^1$

素因数の和:18490

約数の個数: 48

約数和(自身を含む): 220942260

約数和(自身を除く): 131610380

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 18457, 36914, 73828, 92285, 147656, 184570, 203027, 369140, 406054, 738280, 812108, 1015135, 1624216, 2030270, 2233297, 4060540, 4466594, 8121080, 8933188, 11166485, 17866376, 22332970, 44665940, 89331880]

約数ペア:

[(1, 89331880), (2, 44665940), (4, 22332970), (5, 17866376), (8, 11166485), (10, 8933188), (11, 8121080), (20, 4466594), (22, 4060540), (40, 2233297), (44, 2030270), (55, 1624216), (88, 1015135), (110, 812108), (121, 738280), (220, 406054), (242, 369140), (440, 203027), (484, 184570), (605, 147656), (968, 92285), (1210, 73828), (2420, 36914), (4840, 18457)]