8510180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 20684160

約数和(自身を除く): 12173980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 683, 890, 1246, 1366, 1780, 2492, 2732, 3115, 3415, 4781, 6230, 6830, 9562, 12460, 13660, 19124, 23905, 47810, 60787, 95620, 121574, 243148, 303935, 425509, 607870, 851018, 1215740, 1702036, 2127545, 4255090, 8510180]

約数ペア:

[(1, 8510180), (2, 4255090), (4, 2127545), (5, 1702036), (7, 1215740), (10, 851018), (14, 607870), (20, 425509), (28, 303935), (35, 243148), (70, 121574), (89, 95620), (140, 60787), (178, 47810), (356, 23905), (445, 19124), (623, 13660), (683, 12460), (890, 9562), (1246, 6830), (1366, 6230), (1780, 4781), (2492, 3415), (2732, 3115)]