15987280

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{593}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 37343592

約数和(自身を除く): 21356312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 593, 674, 1186, 1348, 1685, 2372, 2696, 2965, 3370, 4744, 5392, 5930, 6740, 9488, 11860, 13480, 23720, 26960, 47440, 199841, 399682, 799364, 999205, 1598728, 1998410, 3197456, 3996820, 7993640, 15987280]

約数ペア:

[(1, 15987280), (2, 7993640), (4, 3996820), (5, 3197456), (8, 1998410), (10, 1598728), (16, 999205), (20, 799364), (40, 399682), (80, 199841), (337, 47440), (593, 26960), (674, 23720), (1186, 13480), (1348, 11860), (1685, 9488), (2372, 6740), (2696, 5930), (2965, 5392), (3370, 4744)]