85377680

素因数分解:

$2^4\times 5^1\times {\mathrm{1067221}}^1$

素因数の和:1067234

約数の個数: 20

約数和(自身を含む): 198503292

約数和(自身を除く): 113125612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1067221, 2134442, 4268884, 5336105, 8537768, 10672210, 17075536, 21344420, 42688840, 85377680]

約数ペア:

[(1, 85377680), (2, 42688840), (4, 21344420), (5, 17075536), (8, 10672210), (10, 8537768), (16, 5336105), (20, 4268884), (40, 2134442), (80, 1067221)]