87338180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{256877}}^1$

素因数の和:256903

約数の個数: 24

約数和(自身を含む): 194199768

約数和(自身を除く): 106861588

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 256877, 513754, 1027508, 1284385, 2568770, 4366909, 5137540, 8733818, 17467636, 21834545, 43669090, 87338180]

約数ペア:

[(1, 87338180), (2, 43669090), (4, 21834545), (5, 17467636), (10, 8733818), (17, 5137540), (20, 4366909), (34, 2568770), (68, 1284385), (85, 1027508), (170, 513754), (340, 256877)]