25202420

素因数分解:

$2^2\times 5^1\times {\mathrm{1260121}}^1$

素因数の和:1260130

約数の個数: 12

約数和(自身を含む): 52925124

約数和(自身を除く): 27722704

約数列:

[1, 2, 4, 5, 10, 20, 1260121, 2520242, 5040484, 6300605, 12601210, 25202420]

約数ペア:

[(1, 25202420), (2, 12601210), (4, 6300605), (5, 5040484), (10, 2520242), (20, 1260121)]