86629640

素因数分解:

$2^3\times 5^1\times {\mathrm{2165741}}^1$

素因数の和:2165752

約数の個数: 16

約数和(自身を含む): 194916780

約数和(自身を除く): 108287140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2165741, 4331482, 8662964, 10828705, 17325928, 21657410, 43314820, 86629640]

約数ペア:

[(1, 86629640), (2, 43314820), (4, 21657410), (5, 17325928), (8, 10828705), (10, 8662964), (20, 4331482), (40, 2165741)]