30396280

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{937}}^1$

素因数の和:1759

約数の個数: 32

約数和(自身を含む): 68549040

約数和(自身を除く): 38152760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 937, 1622, 1874, 3244, 3748, 4055, 4685, 6488, 7496, 8110, 9370, 16220, 18740, 32440, 37480, 759907, 1519814, 3039628, 3799535, 6079256, 7599070, 15198140, 30396280]

約数ペア:

[(1, 30396280), (2, 15198140), (4, 7599070), (5, 6079256), (8, 3799535), (10, 3039628), (20, 1519814), (40, 759907), (811, 37480), (937, 32440), (1622, 18740), (1874, 16220), (3244, 9370), (3748, 8110), (4055, 7496), (4685, 6488)]