26985940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31379}}^1$

素因数の和:31431

約数の個数: 24

約数和(自身を含む): 57990240

約数和(自身を除く): 31004300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 31379, 62758, 125516, 156895, 313790, 627580, 1349297, 2698594, 5397188, 6746485, 13492970, 26985940]

約数ペア:

[(1, 26985940), (2, 13492970), (4, 6746485), (5, 5397188), (10, 2698594), (20, 1349297), (43, 627580), (86, 313790), (172, 156895), (215, 125516), (430, 62758), (860, 31379)]