25215100

素因数分解:

$2^2\times 5^2\times {\mathrm{252151}}^1$

素因数の和:252165

約数の個数: 18

約数和(自身を含む): 54716984

約数和(自身を除く): 29501884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 252151, 504302, 1008604, 1260755, 2521510, 5043020, 6303775, 12607550, 25215100]

約数ペア:

[(1, 25215100), (2, 12607550), (4, 6303775), (5, 5043020), (10, 2521510), (20, 1260755), (25, 1008604), (50, 504302), (100, 252151)]