27658220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9949}}^1$

素因数の和:10097

約数の個数: 24

約数和(自身を含む): 58506000

約数和(自身を除く): 30847780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9949, 19898, 39796, 49745, 99490, 198980, 1382911, 2765822, 5531644, 6914555, 13829110, 27658220]

約数ペア:

[(1, 27658220), (2, 13829110), (4, 6914555), (5, 5531644), (10, 2765822), (20, 1382911), (139, 198980), (278, 99490), (556, 49745), (695, 39796), (1390, 19898), (2780, 9949)]