13305940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17981}}^1$

素因数の和:18027

約数の個数: 24

約数和(自身を含む): 28699272

約数和(自身を除く): 15393332

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 17981, 35962, 71924, 89905, 179810, 359620, 665297, 1330594, 2661188, 3326485, 6652970, 13305940]

約数ペア:

[(1, 13305940), (2, 6652970), (4, 3326485), (5, 2661188), (10, 1330594), (20, 665297), (37, 359620), (74, 179810), (148, 89905), (185, 71924), (370, 35962), (740, 17981)]