89441140

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{17401}}^1$

素因数の和:17667

約数の個数: 24

約数和(自身を含む): 188568072

約数和(自身を除く): 99126932

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 17401, 34802, 69604, 87005, 174010, 348020, 4472057, 8944114, 17888228, 22360285, 44720570, 89441140]

約数ペア:

[(1, 89441140), (2, 44720570), (4, 22360285), (5, 17888228), (10, 8944114), (20, 4472057), (257, 348020), (514, 174010), (1028, 87005), (1285, 69604), (2570, 34802), (5140, 17401)]