28051540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127507}}^1$

素因数の和:127527

約数の個数: 24

約数和(自身を含む): 64264032

約数和(自身を除く): 36212492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127507, 255014, 510028, 637535, 1275070, 1402577, 2550140, 2805154, 5610308, 7012885, 14025770, 28051540]

約数ペア:

[(1, 28051540), (2, 14025770), (4, 7012885), (5, 5610308), (10, 2805154), (11, 2550140), (20, 1402577), (22, 1275070), (44, 637535), (55, 510028), (110, 255014), (220, 127507)]