27408020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9859}}^1$

素因数の和:10007

約数の個数: 24

約数和(自身を含む): 57976800

約数和(自身を除く): 30568780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9859, 19718, 39436, 49295, 98590, 197180, 1370401, 2740802, 5481604, 6852005, 13704010, 27408020]

約数ペア:

[(1, 27408020), (2, 13704010), (4, 6852005), (5, 5481604), (10, 2740802), (20, 1370401), (139, 197180), (278, 98590), (556, 49295), (695, 39436), (1390, 19718), (2780, 9859)]