68180240

素因数分解:

$2^4\times 5^1\times {\mathrm{852253}}^1$

素因数の和:852266

約数の個数: 20

約数和(自身を含む): 158519244

約数和(自身を除く): 90339004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 852253, 1704506, 3409012, 4261265, 6818024, 8522530, 13636048, 17045060, 34090120, 68180240]

約数ペア:

[(1, 68180240), (2, 34090120), (4, 17045060), (5, 13636048), (8, 8522530), (10, 6818024), (16, 4261265), (20, 3409012), (40, 1704506), (80, 852253)]