25667420

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2897}}^1$

素因数の和:3349

約数の個数: 24

約数和(自身を含む): 54041904

約数和(自身を除く): 28374484

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 2897, 4430, 5794, 8860, 11588, 14485, 28970, 57940, 1283371, 2566742, 5133484, 6416855, 12833710, 25667420]

約数ペア:

[(1, 25667420), (2, 12833710), (4, 6416855), (5, 5133484), (10, 2566742), (20, 1283371), (443, 57940), (886, 28970), (1772, 14485), (2215, 11588), (2897, 8860), (4430, 5794)]