80524040

素因数分解:

$2^3\times 5^1\times {\mathrm{2013101}}^1$

素因数の和:2013112

約数の個数: 16

約数和(自身を含む): 181179180

約数和(自身を除く): 100655140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2013101, 4026202, 8052404, 10065505, 16104808, 20131010, 40262020, 80524040]

約数ペア:

[(1, 80524040), (2, 40262020), (4, 20131010), (5, 16104808), (8, 10065505), (10, 8052404), (20, 4026202), (40, 2013101)]