15951280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4637}}^1$

素因数の和:4693

約数の個数: 40

約数和(自身を含む): 37957392

約数和(自身を除く): 22006112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4637, 9274, 18548, 23185, 37096, 46370, 74192, 92740, 185480, 199391, 370960, 398782, 797564, 996955, 1595128, 1993910, 3190256, 3987820, 7975640, 15951280]

約数ペア:

[(1, 15951280), (2, 7975640), (4, 3987820), (5, 3190256), (8, 1993910), (10, 1595128), (16, 996955), (20, 797564), (40, 398782), (43, 370960), (80, 199391), (86, 185480), (172, 92740), (215, 74192), (344, 46370), (430, 37096), (688, 23185), (860, 18548), (1720, 9274), (3440, 4637)]