15728045420

素因数分解:

$2^2\times 5^1\times {\mathrm{786402271}}^1$

素因数の和:786402280

約数の個数: 12

約数和(自身を含む): 33028895424

約数和(自身を除く): 17300850004

約数列:

[1, 2, 4, 5, 10, 20, 786402271, 1572804542, 3145609084, 3932011355, 7864022710, 15728045420]

約数ペア:

[(1, 15728045420), (2, 7864022710), (4, 3932011355), (5, 3145609084), (10, 1572804542), (20, 786402271)]