13897880

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1031}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 31393440

約数和(自身を除く): 17495560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1031, 1348, 1685, 2062, 2696, 3370, 4124, 5155, 6740, 8248, 10310, 13480, 20620, 41240, 347447, 694894, 1389788, 1737235, 2779576, 3474470, 6948940, 13897880]

約数ペア:

[(1, 13897880), (2, 6948940), (4, 3474470), (5, 2779576), (8, 1737235), (10, 1389788), (20, 694894), (40, 347447), (337, 41240), (674, 20620), (1031, 13480), (1348, 10310), (1685, 8248), (2062, 6740), (2696, 5155), (3370, 4124)]