87481340

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{2857}}^1$

素因数の和:4397

約数の個数: 24

約数和(自身を含む): 183895152

約数和(自身を除く): 96413812

約数列:

[1, 2, 4, 5, 10, 20, 1531, 2857, 3062, 5714, 6124, 7655, 11428, 14285, 15310, 28570, 30620, 57140, 4374067, 8748134, 17496268, 21870335, 43740670, 87481340]

約数ペア:

[(1, 87481340), (2, 43740670), (4, 21870335), (5, 17496268), (10, 8748134), (20, 4374067), (1531, 57140), (2857, 30620), (3062, 28570), (5714, 15310), (6124, 14285), (7655, 11428)]