13730440

素因数分解:

$2^3\times 5^1\times {\mathrm{343261}}^1$

素因数の和:343272

約数の個数: 16

約数和(自身を含む): 30893580

約数和(自身を除く): 17163140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 343261, 686522, 1373044, 1716305, 2746088, 3432610, 6865220, 13730440]

約数ペア:

[(1, 13730440), (2, 6865220), (4, 3432610), (5, 2746088), (8, 1716305), (10, 1373044), (20, 686522), (40, 343261)]