9923780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3907}}^1$

素因数の和:4043

約数の個数: 24

約数和(自身を含む): 21009408

約数和(自身を除く): 11085628

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 3907, 7814, 15628, 19535, 39070, 78140, 496189, 992378, 1984756, 2480945, 4961890, 9923780]

約数ペア:

[(1, 9923780), (2, 4961890), (4, 2480945), (5, 1984756), (10, 992378), (20, 496189), (127, 78140), (254, 39070), (508, 19535), (635, 15628), (1270, 7814), (2540, 3907)]