2005058560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{391613}}^1$

素因数の和:391638

約数の個数: 44

約数和(自身を含む): 4809803148

約数和(自身を除く): 2804744588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 391613, 783226, 1566452, 1958065, 3132904, 3916130, 6265808, 7832260, 12531616, 15664520, 25063232, 31329040, 50126464, 62658080, 100252928, 125316160, 200505856, 250632320, 401011712, 501264640, 1002529280, 2005058560]

約数ペア:

[(1, 2005058560), (2, 1002529280), (4, 501264640), (5, 401011712), (8, 250632320), (10, 200505856), (16, 125316160), (20, 100252928), (32, 62658080), (40, 50126464), (64, 31329040), (80, 25063232), (128, 15664520), (160, 12531616), (256, 7832260), (320, 6265808), (512, 3916130), (640, 3132904), (1024, 1958065), (1280, 1566452), (2560, 783226), (5120, 391613)]