90146020

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{18859}}^1$

素因数の和:19107

約数の個数: 24

約数和(自身を含む): 190108800

約数和(自身を除く): 99962780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 18859, 37718, 75436, 94295, 188590, 377180, 4507301, 9014602, 18029204, 22536505, 45073010, 90146020]

約数ペア:

[(1, 90146020), (2, 45073010), (4, 22536505), (5, 18029204), (10, 9014602), (20, 4507301), (239, 377180), (478, 188590), (956, 94295), (1195, 75436), (2390, 37718), (4780, 18859)]