128315450

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{25409}}^1$

素因数の和:25522

約数の個数: 24

約数和(自身を含む): 241039260

約数和(自身を除く): 112723810

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 505, 1010, 2525, 5050, 25409, 50818, 127045, 254090, 635225, 1270450, 2566309, 5132618, 12831545, 25663090, 64157725, 128315450]

約数ペア:

[(1, 128315450), (2, 64157725), (5, 25663090), (10, 12831545), (25, 5132618), (50, 2566309), (101, 1270450), (202, 635225), (505, 254090), (1010, 127045), (2525, 50818), (5050, 25409)]