11415640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6637}}^1$

素因数の和:6691

約数の個数: 32

約数和(自身を含む): 26286480

約数和(自身を除く): 14870840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6637, 13274, 26548, 33185, 53096, 66370, 132740, 265480, 285391, 570782, 1141564, 1426955, 2283128, 2853910, 5707820, 11415640]

約数ペア:

[(1, 11415640), (2, 5707820), (4, 2853910), (5, 2283128), (8, 1426955), (10, 1141564), (20, 570782), (40, 285391), (43, 265480), (86, 132740), (172, 66370), (215, 53096), (344, 33185), (430, 26548), (860, 13274), (1720, 6637)]