49661680

素因数分解:

$2^4\times 5^1\times {\mathrm{620771}}^1$

素因数の和:620784

約数の個数: 20

約数和(自身を含む): 115463592

約数和(自身を除く): 65801912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 620771, 1241542, 2483084, 3103855, 4966168, 6207710, 9932336, 12415420, 24830840, 49661680]

約数ペア:

[(1, 49661680), (2, 24830840), (4, 12415420), (5, 9932336), (8, 6207710), (10, 4966168), (16, 3103855), (20, 2483084), (40, 1241542), (80, 620771)]