1323933040

素因数分解:

$2^4\times 5^1\times {\mathrm{16549163}}^1$

素因数の和:16549176

約数の個数: 20

約数和(自身を含む): 3078144504

約数和(自身を除く): 1754211464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16549163, 33098326, 66196652, 82745815, 132393304, 165491630, 264786608, 330983260, 661966520, 1323933040]

約数ペア:

[(1, 1323933040), (2, 661966520), (4, 330983260), (5, 264786608), (8, 165491630), (10, 132393304), (16, 82745815), (20, 66196652), (40, 33098326), (80, 16549163)]