13491640

素因数分解:

$2^3\times 5^1\times {\mathrm{337291}}^1$

素因数の和:337302

約数の個数: 16

約数和(自身を含む): 30356280

約数和(自身を除く): 16864640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337291, 674582, 1349164, 1686455, 2698328, 3372910, 6745820, 13491640]

約数ペア:

[(1, 13491640), (2, 6745820), (4, 3372910), (5, 2698328), (8, 1686455), (10, 1349164), (20, 674582), (40, 337291)]