13129520

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{487}}^1$

素因数の和:837

約数の個数: 40

約数和(自身を含む): 30679584

約数和(自身を除く): 17550064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 487, 674, 974, 1348, 1685, 1948, 2435, 2696, 3370, 3896, 4870, 5392, 6740, 7792, 9740, 13480, 19480, 26960, 38960, 164119, 328238, 656476, 820595, 1312952, 1641190, 2625904, 3282380, 6564760, 13129520]

約数ペア:

[(1, 13129520), (2, 6564760), (4, 3282380), (5, 2625904), (8, 1641190), (10, 1312952), (16, 820595), (20, 656476), (40, 328238), (80, 164119), (337, 38960), (487, 26960), (674, 19480), (974, 13480), (1348, 9740), (1685, 7792), (1948, 6740), (2435, 5392), (2696, 4870), (3370, 3896)]