8889425420

素因数分解:

$2^2\times 5^1\times {\mathrm{444471271}}^1$

素因数の和:444471280

約数の個数: 12

約数和(自身を含む): 18667793424

約数和(自身を除く): 9778368004

約数列:

[1, 2, 4, 5, 10, 20, 444471271, 888942542, 1777885084, 2222356355, 4444712710, 8889425420]

約数ペア:

[(1, 8889425420), (2, 4444712710), (4, 2222356355), (5, 1777885084), (10, 888942542), (20, 444471271)]