61359280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17837}}^1$

素因数の和:17893

約数の個数: 40

約数和(自身を含む): 145986192

約数和(自身を除く): 84626912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 17837, 35674, 71348, 89185, 142696, 178370, 285392, 356740, 713480, 766991, 1426960, 1533982, 3067964, 3834955, 6135928, 7669910, 12271856, 15339820, 30679640, 61359280]

約数ペア:

[(1, 61359280), (2, 30679640), (4, 15339820), (5, 12271856), (8, 7669910), (10, 6135928), (16, 3834955), (20, 3067964), (40, 1533982), (43, 1426960), (80, 766991), (86, 713480), (172, 356740), (215, 285392), (344, 178370), (430, 142696), (688, 89185), (860, 71348), (1720, 35674), (3440, 17837)]