80951480

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{2887}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 182463840

約数和(自身を除く): 101512360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1402, 2804, 2887, 3505, 5608, 5774, 7010, 11548, 14020, 14435, 23096, 28040, 28870, 57740, 115480, 2023787, 4047574, 8095148, 10118935, 16190296, 20237870, 40475740, 80951480]

約数ペア:

[(1, 80951480), (2, 40475740), (4, 20237870), (5, 16190296), (8, 10118935), (10, 8095148), (20, 4047574), (40, 2023787), (701, 115480), (1402, 57740), (2804, 28870), (2887, 28040), (3505, 23096), (5608, 14435), (5774, 14020), (7010, 11548)]