13281140

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1499}}^1$

素因数の和:1951

約数の個数: 24

約数和(自身を含む): 27972000

約数和(自身を除く): 14690860

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1499, 1772, 2215, 2998, 4430, 5996, 7495, 8860, 14990, 29980, 664057, 1328114, 2656228, 3320285, 6640570, 13281140]

約数ペア:

[(1, 13281140), (2, 6640570), (4, 3320285), (5, 2656228), (10, 1328114), (20, 664057), (443, 29980), (886, 14990), (1499, 8860), (1772, 7495), (2215, 5996), (2998, 4430)]