27779620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126271}}^1$

素因数の和:126291

約数の個数: 24

約数和(自身を含む): 63641088

約数和(自身を除く): 35861468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 126271, 252542, 505084, 631355, 1262710, 1388981, 2525420, 2777962, 5555924, 6944905, 13889810, 27779620]

約数ペア:

[(1, 27779620), (2, 13889810), (4, 6944905), (5, 5555924), (10, 2777962), (11, 2525420), (20, 1388981), (22, 1262710), (44, 631355), (55, 505084), (110, 252542), (220, 126271)]