27870680

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1087}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 62864640

約数和(自身を除く): 34993960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1087, 1282, 2174, 2564, 3205, 4348, 5128, 5435, 6410, 8696, 10870, 12820, 21740, 25640, 43480, 696767, 1393534, 2787068, 3483835, 5574136, 6967670, 13935340, 27870680]

約数ペア:

[(1, 27870680), (2, 13935340), (4, 6967670), (5, 5574136), (8, 3483835), (10, 2787068), (20, 1393534), (40, 696767), (641, 43480), (1087, 25640), (1282, 21740), (2174, 12820), (2564, 10870), (3205, 8696), (4348, 6410), (5128, 5435)]