7208540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2593}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 15252720

約数和(自身を除く): 8044180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2593, 2780, 5186, 10372, 12965, 25930, 51860, 360427, 720854, 1441708, 1802135, 3604270, 7208540]

約数ペア:

[(1, 7208540), (2, 3604270), (4, 1802135), (5, 1441708), (10, 720854), (20, 360427), (139, 51860), (278, 25930), (556, 12965), (695, 10372), (1390, 5186), (2593, 2780)]