256837180

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{101117}}^1$

素因数の和:101253

約数の個数: 24

約数和(自身を含む): 543610368

約数和(自身を除く): 286773188

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 101117, 202234, 404468, 505585, 1011170, 2022340, 12841859, 25683718, 51367436, 64209295, 128418590, 256837180]

約数ペア:

[(1, 256837180), (2, 128418590), (4, 64209295), (5, 51367436), (10, 25683718), (20, 12841859), (127, 2022340), (254, 1011170), (508, 505585), (635, 404468), (1270, 202234), (2540, 101117)]