2009081780

素因数分解:

$2^2\times 5^1\times {\mathrm{18787}}^1\times {\mathrm{5347}}^1$

素因数の和:24143

約数の個数: 24

約数和(自身を含む): 4220085408

約数和(自身を除く): 2211003628

約数列:

[1, 2, 4, 5, 10, 20, 5347, 10694, 18787, 21388, 26735, 37574, 53470, 75148, 93935, 106940, 187870, 375740, 100454089, 200908178, 401816356, 502270445, 1004540890, 2009081780]

約数ペア:

[(1, 2009081780), (2, 1004540890), (4, 502270445), (5, 401816356), (10, 200908178), (20, 100454089), (5347, 375740), (10694, 187870), (18787, 106940), (21388, 93935), (26735, 75148), (37574, 53470)]