28582180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129919}}^1$

素因数の和:129939

約数の個数: 24

約数和(自身を含む): 65479680

約数和(自身を除く): 36897500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129919, 259838, 519676, 649595, 1299190, 1429109, 2598380, 2858218, 5716436, 7145545, 14291090, 28582180]

約数ペア:

[(1, 28582180), (2, 14291090), (4, 7145545), (5, 5716436), (10, 2858218), (11, 2598380), (20, 1429109), (22, 1299190), (44, 649595), (55, 519676), (110, 259838), (220, 129919)]