13895480

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1117}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 31393440

約数和(自身を除く): 17497960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1117, 1244, 1555, 2234, 2488, 3110, 4468, 5585, 6220, 8936, 11170, 12440, 22340, 44680, 347387, 694774, 1389548, 1736935, 2779096, 3473870, 6947740, 13895480]

約数ペア:

[(1, 13895480), (2, 6947740), (4, 3473870), (5, 2779096), (8, 1736935), (10, 1389548), (20, 694774), (40, 347387), (311, 44680), (622, 22340), (1117, 12440), (1244, 11170), (1555, 8936), (2234, 6220), (2488, 5585), (3110, 4468)]