25409780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{115499}}^1$

素因数の和:115519

約数の個数: 24

約数和(自身を含む): 58212000

約数和(自身を除く): 32802220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 115499, 230998, 461996, 577495, 1154990, 1270489, 2309980, 2540978, 5081956, 6352445, 12704890, 25409780]

約数ペア:

[(1, 25409780), (2, 12704890), (4, 6352445), (5, 5081956), (10, 2540978), (11, 2309980), (20, 1270489), (22, 1154990), (44, 577495), (55, 461996), (110, 230998), (220, 115499)]