8081860

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{823}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 17027136

約数和(自身を除く): 8945276

約数列:

[1, 2, 4, 5, 10, 20, 491, 823, 982, 1646, 1964, 2455, 3292, 4115, 4910, 8230, 9820, 16460, 404093, 808186, 1616372, 2020465, 4040930, 8081860]

約数ペア:

[(1, 8081860), (2, 4040930), (4, 2020465), (5, 1616372), (10, 808186), (20, 404093), (491, 16460), (823, 9820), (982, 8230), (1646, 4910), (1964, 4115), (2455, 3292)]