891004040

素因数分解:

$2^3\times 5^1\times {\mathrm{22275101}}^1$

素因数の和:22275112

約数の個数: 16

約数和(自身を含む): 2004759180

約数和(自身を除く): 1113755140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22275101, 44550202, 89100404, 111375505, 178200808, 222751010, 445502020, 891004040]

約数ペア:

[(1, 891004040), (2, 445502020), (4, 222751010), (5, 178200808), (8, 111375505), (10, 89100404), (20, 44550202), (40, 22275101)]