558080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{109}}^1$

素因数の和:134

約数の個数: 44

約数和(自身を含む): 1351020

約数和(自身を除く): 792940

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, 2180, 2560, 3488, 4360, 5120, 6976, 8720, 13952, 17440, 27904, 34880, 55808, 69760, 111616, 139520, 279040, 558080]

約数ペア:

[(1, 558080), (2, 279040), (4, 139520), (5, 111616), (8, 69760), (10, 55808), (16, 34880), (20, 27904), (32, 17440), (40, 13952), (64, 8720), (80, 6976), (109, 5120), (128, 4360), (160, 3488), (218, 2560), (256, 2180), (320, 1744), (436, 1280), (512, 1090), (545, 1024), (640, 872)]