28237180

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{11117}}^1$

素因数の和:11253

約数の個数: 24

約数和(自身を含む): 59770368

約数和(自身を除く): 31533188

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 11117, 22234, 44468, 55585, 111170, 222340, 1411859, 2823718, 5647436, 7059295, 14118590, 28237180]

約数ペア:

[(1, 28237180), (2, 14118590), (4, 7059295), (5, 5647436), (10, 2823718), (20, 1411859), (127, 222340), (254, 111170), (508, 55585), (635, 44468), (1270, 22234), (2540, 11117)]