26779780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18859}}^1$

素因数の和:18939

約数の個数: 24

約数和(自身を含む): 57032640

約数和(自身を除く): 30252860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18859, 37718, 75436, 94295, 188590, 377180, 1338989, 2677978, 5355956, 6694945, 13389890, 26779780]

約数ペア:

[(1, 26779780), (2, 13389890), (4, 6694945), (5, 5355956), (10, 2677978), (20, 1338989), (71, 377180), (142, 188590), (284, 94295), (355, 75436), (710, 37718), (1420, 18859)]