25328840

素因数分解:

$2^3\times 5^1\times {\mathrm{633221}}^1$

素因数の和:633232

約数の個数: 16

約数和(自身を含む): 56989980

約数和(自身を除く): 31661140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 633221, 1266442, 2532884, 3166105, 5065768, 6332210, 12664420, 25328840]

約数ペア:

[(1, 25328840), (2, 12664420), (4, 6332210), (5, 5065768), (8, 3166105), (10, 2532884), (20, 1266442), (40, 633221)]