5438140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2141}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 11515392

約数和(自身を除く): 6077252

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2141, 2540, 4282, 8564, 10705, 21410, 42820, 271907, 543814, 1087628, 1359535, 2719070, 5438140]

約数ペア:

[(1, 5438140), (2, 2719070), (4, 1359535), (5, 1087628), (10, 543814), (20, 271907), (127, 42820), (254, 21410), (508, 10705), (635, 8564), (1270, 4282), (2141, 2540)]