68180720

素因数分解:

$2^4\times 5^1\times {\mathrm{852259}}^1$

素因数の和:852272

約数の個数: 20

約数和(自身を含む): 158520360

約数和(自身を除く): 90339640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 852259, 1704518, 3409036, 4261295, 6818072, 8522590, 13636144, 17045180, 34090360, 68180720]

約数ペア:

[(1, 68180720), (2, 34090360), (4, 17045180), (5, 13636144), (8, 8522590), (10, 6818072), (16, 4261295), (20, 3409036), (40, 1704518), (80, 852259)]