15440240

素因数分解:

$2^4\times 5^1\times {\mathrm{193003}}^1$

素因数の和:193016

約数の個数: 20

約数和(自身を含む): 35898744

約数和(自身を除く): 20458504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193003, 386006, 772012, 965015, 1544024, 1930030, 3088048, 3860060, 7720120, 15440240]

約数ペア:

[(1, 15440240), (2, 7720120), (4, 3860060), (5, 3088048), (8, 1930030), (10, 1544024), (16, 965015), (20, 772012), (40, 386006), (80, 193003)]