8885420

素因数分解:

$2^2\times 5^1\times {\mathrm{444271}}^1$

素因数の和:444280

約数の個数: 12

約数和(自身を含む): 18659424

約数和(自身を除く): 9774004

約数列:

[1, 2, 4, 5, 10, 20, 444271, 888542, 1777084, 2221355, 4442710, 8885420]

約数ペア:

[(1, 8885420), (2, 4442710), (4, 2221355), (5, 1777084), (10, 888542), (20, 444271)]