13999780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9859}}^1$

素因数の和:9939

約数の個数: 24

約数和(自身を含む): 29816640

約数和(自身を除く): 15816860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9859, 19718, 39436, 49295, 98590, 197180, 699989, 1399978, 2799956, 3499945, 6999890, 13999780]

約数ペア:

[(1, 13999780), (2, 6999890), (4, 3499945), (5, 2799956), (10, 1399978), (20, 699989), (71, 197180), (142, 98590), (284, 49295), (355, 39436), (710, 19718), (1420, 9859)]