54612920

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1663}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 123102720

約数和(自身を除く): 68489800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 1663, 3284, 3326, 4105, 6568, 6652, 8210, 8315, 13304, 16420, 16630, 32840, 33260, 66520, 1365323, 2730646, 5461292, 6826615, 10922584, 13653230, 27306460, 54612920]

約数ペア:

[(1, 54612920), (2, 27306460), (4, 13653230), (5, 10922584), (8, 6826615), (10, 5461292), (20, 2730646), (40, 1365323), (821, 66520), (1642, 33260), (1663, 32840), (3284, 16630), (3326, 16420), (4105, 13304), (6568, 8315), (6652, 8210)]