4450840

素因数分解:

$2^3\times 5^1\times {\mathrm{111271}}^1$

素因数の和:111282

約数の個数: 16

約数和(自身を含む): 10014480

約数和(自身を除く): 5563640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 111271, 222542, 445084, 556355, 890168, 1112710, 2225420, 4450840]

約数ペア:

[(1, 4450840), (2, 2225420), (4, 1112710), (5, 890168), (8, 556355), (10, 445084), (20, 222542), (40, 111271)]