7725920

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 18461520

約数和(自身を除く): 10735600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 443, 545, 872, 886, 1090, 1744, 1772, 2180, 2215, 3488, 3544, 4360, 4430, 7088, 8720, 8860, 14176, 17440, 17720, 35440, 48287, 70880, 96574, 193148, 241435, 386296, 482870, 772592, 965740, 1545184, 1931480, 3862960, 7725920]

約数ペア:

[(1, 7725920), (2, 3862960), (4, 1931480), (5, 1545184), (8, 965740), (10, 772592), (16, 482870), (20, 386296), (32, 241435), (40, 193148), (80, 96574), (109, 70880), (160, 48287), (218, 35440), (436, 17720), (443, 17440), (545, 14176), (872, 8860), (886, 8720), (1090, 7088), (1744, 4430), (1772, 4360), (2180, 3544), (2215, 3488)]