9988720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17837}}^1$

素因数の和:17857

約数の個数: 40

約数和(自身を含む): 26542944

約数和(自身を除く): 16554224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 17837, 35674, 71348, 89185, 124859, 142696, 178370, 249718, 285392, 356740, 499436, 624295, 713480, 998872, 1248590, 1426960, 1997744, 2497180, 4994360, 9988720]

約数ペア:

[(1, 9988720), (2, 4994360), (4, 2497180), (5, 1997744), (7, 1426960), (8, 1248590), (10, 998872), (14, 713480), (16, 624295), (20, 499436), (28, 356740), (35, 285392), (40, 249718), (56, 178370), (70, 142696), (80, 124859), (112, 89185), (140, 71348), (280, 35674), (560, 17837)]