56981420

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9161}}^1$

素因数の和:9481

約数の個数: 24

約数和(自身を含む): 120058848

約数和(自身を除く): 63077428

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 9161, 18322, 36644, 45805, 91610, 183220, 2849071, 5698142, 11396284, 14245355, 28490710, 56981420]

約数ペア:

[(1, 56981420), (2, 28490710), (4, 14245355), (5, 11396284), (10, 5698142), (20, 2849071), (311, 183220), (622, 91610), (1244, 45805), (1555, 36644), (3110, 18322), (6220, 9161)]