12388420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56311}}^1$

素因数の和:56331

約数の個数: 24

約数和(自身を含む): 28381248

約数和(自身を除く): 15992828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 56311, 112622, 225244, 281555, 563110, 619421, 1126220, 1238842, 2477684, 3097105, 6194210, 12388420]

約数ペア:

[(1, 12388420), (2, 6194210), (4, 3097105), (5, 2477684), (10, 1238842), (11, 1126220), (20, 619421), (22, 563110), (44, 281555), (55, 225244), (110, 112622), (220, 56311)]