2016221840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{586111}}^1$

素因数の和:586167

約数の個数: 40

約数和(自身を含む): 4796740608

約数和(自身を除く): 2780518768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 586111, 1172222, 2344444, 2930555, 4688888, 5861110, 9377776, 11722220, 23444440, 25202773, 46888880, 50405546, 100811092, 126013865, 201622184, 252027730, 403244368, 504055460, 1008110920, 2016221840]

約数ペア:

[(1, 2016221840), (2, 1008110920), (4, 504055460), (5, 403244368), (8, 252027730), (10, 201622184), (16, 126013865), (20, 100811092), (40, 50405546), (43, 46888880), (80, 25202773), (86, 23444440), (172, 11722220), (215, 9377776), (344, 5861110), (430, 4688888), (688, 2930555), (860, 2344444), (1720, 1172222), (3440, 586111)]