8904820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6271}}^1$

素因数の和:6351

約数の個数: 24

約数和(自身を含む): 18966528

約数和(自身を除く): 10061708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 6271, 12542, 25084, 31355, 62710, 125420, 445241, 890482, 1780964, 2226205, 4452410, 8904820]

約数ペア:

[(1, 8904820), (2, 4452410), (4, 2226205), (5, 1780964), (10, 890482), (20, 445241), (71, 125420), (142, 62710), (284, 31355), (355, 25084), (710, 12542), (1420, 6271)]