26659820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121181}}^1$

素因数の和:121201

約数の個数: 24

約数和(自身を含む): 61075728

約数和(自身を除く): 34415908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 121181, 242362, 484724, 605905, 1211810, 1332991, 2423620, 2665982, 5331964, 6664955, 13329910, 26659820]

約数ペア:

[(1, 26659820), (2, 13329910), (4, 6664955), (5, 5331964), (10, 2665982), (11, 2423620), (20, 1332991), (22, 1211810), (44, 605905), (55, 484724), (110, 242362), (220, 121181)]