13420280

素因数分解:

$2^3\times 5^1\times {\mathrm{335507}}^1$

素因数の和:335518

約数の個数: 16

約数和(自身を含む): 30195720

約数和(自身を除く): 16775440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 335507, 671014, 1342028, 1677535, 2684056, 3355070, 6710140, 13420280]

約数ペア:

[(1, 13420280), (2, 6710140), (4, 3355070), (5, 2684056), (8, 1677535), (10, 1342028), (20, 671014), (40, 335507)]