25645555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5557}}^1$

素因数の和:5646

約数の個数: 16

約数和(自身を含む): 33614784

約数和(自身を除く): 7969229

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 5557, 27785, 72241, 361205, 394547, 1972735, 5129111, 25645555]

約数ペア:

[(1, 25645555), (5, 5129111), (13, 1972735), (65, 394547), (71, 361205), (355, 72241), (923, 27785), (4615, 5557)]