90470740

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{7057}}^1$

素因数の和:7707

約数の個数: 24

約数和(自身を含む): 190311912

約数和(自身を除く): 99841172

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 7057, 12820, 14114, 28228, 35285, 70570, 141140, 4523537, 9047074, 18094148, 22617685, 45235370, 90470740]

約数ペア:

[(1, 90470740), (2, 45235370), (4, 22617685), (5, 18094148), (10, 9047074), (20, 4523537), (641, 141140), (1282, 70570), (2564, 35285), (3205, 28228), (6410, 14114), (7057, 12820)]