55088020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211877}}^1$

素因数の和:211899

約数の個数: 24

約数和(自身を含む): 124584264

約数和(自身を除く): 69496244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 211877, 423754, 847508, 1059385, 2118770, 2754401, 4237540, 5508802, 11017604, 13772005, 27544010, 55088020]

約数ペア:

[(1, 55088020), (2, 27544010), (4, 13772005), (5, 11017604), (10, 5508802), (13, 4237540), (20, 2754401), (26, 2118770), (52, 1059385), (65, 847508), (130, 423754), (260, 211877)]