2017221280

素因数分解:

$2^5\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{8087}}^1$

素因数の和:9661

約数の個数: 48

約数和(自身を含む): 4769331840

約数和(自身を除く): 2752110560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1559, 3118, 6236, 7795, 8087, 12472, 15590, 16174, 24944, 31180, 32348, 40435, 49888, 62360, 64696, 80870, 124720, 129392, 161740, 249440, 258784, 323480, 646960, 1293920, 12607633, 25215266, 50430532, 63038165, 100861064, 126076330, 201722128, 252152660, 403444256, 504305320, 1008610640, 2017221280]

約数ペア:

[(1, 2017221280), (2, 1008610640), (4, 504305320), (5, 403444256), (8, 252152660), (10, 201722128), (16, 126076330), (20, 100861064), (32, 63038165), (40, 50430532), (80, 25215266), (160, 12607633), (1559, 1293920), (3118, 646960), (6236, 323480), (7795, 258784), (8087, 249440), (12472, 161740), (15590, 129392), (16174, 124720), (24944, 80870), (31180, 64696), (32348, 62360), (40435, 49888)]