28626620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130121}}^1$

素因数の和:130141

約数の個数: 24

約数和(自身を含む): 65581488

約数和(自身を除く): 36954868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130121, 260242, 520484, 650605, 1301210, 1431331, 2602420, 2862662, 5725324, 7156655, 14313310, 28626620]

約数ペア:

[(1, 28626620), (2, 14313310), (4, 7156655), (5, 5725324), (10, 2862662), (11, 2602420), (20, 1431331), (22, 1301210), (44, 650605), (55, 520484), (110, 260242), (220, 130121)]