25507940

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2879}}^1$

素因数の和:3331

約数の個数: 24

約数和(自身を含む): 53706240

約数和(自身を除く): 28198300

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 2879, 4430, 5758, 8860, 11516, 14395, 28790, 57580, 1275397, 2550794, 5101588, 6376985, 12753970, 25507940]

約数ペア:

[(1, 25507940), (2, 12753970), (4, 6376985), (5, 5101588), (10, 2550794), (20, 1275397), (443, 57580), (886, 28790), (1772, 14395), (2215, 11516), (2879, 8860), (4430, 5758)]