81900275

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{46141}}^1$

素因数の和:46222

約数の個数: 12

約数和(自身を含む): 102988944

約数和(自身を除く): 21088669

約数列:

[1, 5, 25, 71, 355, 1775, 46141, 230705, 1153525, 3276011, 16380055, 81900275]

約数ペア:

[(1, 81900275), (5, 16380055), (25, 3276011), (71, 1153525), (355, 230705), (1775, 46141)]