9889280

素因数分解:

$2^9\times 5^1\times {\mathrm{3863}}^1$

素因数の和:3886

約数の個数: 40

約数和(自身を含む): 23717232

約数和(自身を除く): 13827952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3863, 7726, 15452, 19315, 30904, 38630, 61808, 77260, 123616, 154520, 247232, 309040, 494464, 618080, 988928, 1236160, 1977856, 2472320, 4944640, 9889280]

約数ペア:

[(1, 9889280), (2, 4944640), (4, 2472320), (5, 1977856), (8, 1236160), (10, 988928), (16, 618080), (20, 494464), (32, 309040), (40, 247232), (64, 154520), (80, 123616), (128, 77260), (160, 61808), (256, 38630), (320, 30904), (512, 19315), (640, 15452), (1280, 7726), (2560, 3863)]