2146160

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 5051760

約数和(自身を除く): 2905600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 193, 278, 386, 556, 695, 772, 965, 1112, 1390, 1544, 1930, 2224, 2780, 3088, 3860, 5560, 7720, 11120, 15440, 26827, 53654, 107308, 134135, 214616, 268270, 429232, 536540, 1073080, 2146160]

約数ペア:

[(1, 2146160), (2, 1073080), (4, 536540), (5, 429232), (8, 268270), (10, 214616), (16, 134135), (20, 107308), (40, 53654), (80, 26827), (139, 15440), (193, 11120), (278, 7720), (386, 5560), (556, 3860), (695, 3088), (772, 2780), (965, 2224), (1112, 1930), (1390, 1544)]