256300225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{250049}}^1$

素因数の和:250100

約数の個数: 12

約数和(自身を含む): 325565100

約数和(自身を除く): 69264875

約数列:

[1, 5, 25, 41, 205, 1025, 250049, 1250245, 6251225, 10252009, 51260045, 256300225]

約数ペア:

[(1, 256300225), (5, 51260045), (25, 10252009), (41, 6251225), (205, 1250245), (1025, 250049)]