25240100

素因数分解:

$2^2\times 5^2\times {\mathrm{252401}}^1$

素因数の和:252415

約数の個数: 18

約数和(自身を含む): 54771234

約数和(自身を除く): 29531134

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 252401, 504802, 1009604, 1262005, 2524010, 5048020, 6310025, 12620050, 25240100]

約数ペア:

[(1, 25240100), (2, 12620050), (4, 6310025), (5, 5048020), (10, 2524010), (20, 1262005), (25, 1009604), (50, 504802), (100, 252401)]