26801620

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1471}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 56383488

約数和(自身を除く): 29581868

約数列:

[1, 2, 4, 5, 10, 20, 911, 1471, 1822, 2942, 3644, 4555, 5884, 7355, 9110, 14710, 18220, 29420, 1340081, 2680162, 5360324, 6700405, 13400810, 26801620]

約数ペア:

[(1, 26801620), (2, 13400810), (4, 6700405), (5, 5360324), (10, 2680162), (20, 1340081), (911, 29420), (1471, 18220), (1822, 14710), (2942, 9110), (3644, 7355), (4555, 5884)]