26616140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30949}}^1$

素因数の和:31001

約数の個数: 24

約数和(自身を含む): 57195600

約数和(自身を除く): 30579460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 30949, 61898, 123796, 154745, 309490, 618980, 1330807, 2661614, 5323228, 6654035, 13308070, 26616140]

約数ペア:

[(1, 26616140), (2, 13308070), (4, 6654035), (5, 5323228), (10, 2661614), (20, 1330807), (43, 618980), (86, 309490), (172, 154745), (215, 123796), (430, 61898), (860, 30949)]