8929280

素因数分解:

$2^{14}\times 5^1\times {\mathrm{109}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 21626220

約数和(自身を除く): 12696940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 512, 545, 640, 872, 1024, 1090, 1280, 1744, 2048, 2180, 2560, 3488, 4096, 4360, 5120, 6976, 8192, 8720, 10240, 13952, 16384, 17440, 20480, 27904, 34880, 40960, 55808, 69760, 81920, 111616, 139520, 223232, 279040, 446464, 558080, 892928, 1116160, 1785856, 2232320, 4464640, 8929280]

約数ペア:

[(1, 8929280), (2, 4464640), (4, 2232320), (5, 1785856), (8, 1116160), (10, 892928), (16, 558080), (20, 446464), (32, 279040), (40, 223232), (64, 139520), (80, 111616), (109, 81920), (128, 69760), (160, 55808), (218, 40960), (256, 34880), (320, 27904), (436, 20480), (512, 17440), (545, 16384), (640, 13952), (872, 10240), (1024, 8720), (1090, 8192), (1280, 6976), (1744, 5120), (2048, 4360), (2180, 4096), (2560, 3488)]