8981780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26417}}^1$

素因数の和:26443

約数の個数: 24

約数和(自身を含む): 19972008

約数和(自身を除く): 10990228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 26417, 52834, 105668, 132085, 264170, 449089, 528340, 898178, 1796356, 2245445, 4490890, 8981780]

約数ペア:

[(1, 8981780), (2, 4490890), (4, 2245445), (5, 1796356), (10, 898178), (17, 528340), (20, 449089), (34, 264170), (68, 132085), (85, 105668), (170, 52834), (340, 26417)]