68393840

素因数分解:

$2^4\times 5^1\times {\mathrm{854923}}^1$

素因数の和:854936

約数の個数: 20

約数和(自身を含む): 159015864

約数和(自身を除く): 90622024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 854923, 1709846, 3419692, 4274615, 6839384, 8549230, 13678768, 17098460, 34196920, 68393840]

約数ペア:

[(1, 68393840), (2, 34196920), (4, 17098460), (5, 13678768), (8, 8549230), (10, 6839384), (16, 4274615), (20, 3419692), (40, 1709846), (80, 854923)]