12439820

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{5813}}^1$

素因数の和:5929

約数の個数: 24

約数和(自身を含む): 26372304

約数和(自身を除く): 13932484

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 5813, 11626, 23252, 29065, 58130, 116260, 621991, 1243982, 2487964, 3109955, 6219910, 12439820]

約数ペア:

[(1, 12439820), (2, 6219910), (4, 3109955), (5, 2487964), (10, 1243982), (20, 621991), (107, 116260), (214, 58130), (428, 29065), (535, 23252), (1070, 11626), (2140, 5813)]