5631280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 13405392

約数和(自身を除く): 7774112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1637, 1720, 3274, 3440, 6548, 8185, 13096, 16370, 26192, 32740, 65480, 70391, 130960, 140782, 281564, 351955, 563128, 703910, 1126256, 1407820, 2815640, 5631280]

約数ペア:

[(1, 5631280), (2, 2815640), (4, 1407820), (5, 1126256), (8, 703910), (10, 563128), (16, 351955), (20, 281564), (40, 140782), (43, 130960), (80, 70391), (86, 65480), (172, 32740), (215, 26192), (344, 16370), (430, 13096), (688, 8185), (860, 6548), (1637, 3440), (1720, 3274)]