81525940

素因数分解:

$2^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{2027}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 171374112

約数和(自身を除く): 89848172

約数列:

[1, 2, 4, 5, 10, 20, 2011, 2027, 4022, 4054, 8044, 8108, 10055, 10135, 20110, 20270, 40220, 40540, 4076297, 8152594, 16305188, 20381485, 40762970, 81525940]

約数ペア:

[(1, 81525940), (2, 40762970), (4, 20381485), (5, 16305188), (10, 8152594), (20, 4076297), (2011, 40540), (2027, 40220), (4022, 20270), (4054, 20110), (8044, 10135), (8108, 10055)]