54190540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 116353440

約数和(自身を除く): 62162900

約数列:

[1, 2, 4, 5, 10, 20, 101, 139, 193, 202, 278, 386, 404, 505, 556, 695, 772, 965, 1010, 1390, 1930, 2020, 2780, 3860, 14039, 19493, 26827, 28078, 38986, 53654, 56156, 70195, 77972, 97465, 107308, 134135, 140390, 194930, 268270, 280780, 389860, 536540, 2709527, 5419054, 10838108, 13547635, 27095270, 54190540]

約数ペア:

[(1, 54190540), (2, 27095270), (4, 13547635), (5, 10838108), (10, 5419054), (20, 2709527), (101, 536540), (139, 389860), (193, 280780), (202, 268270), (278, 194930), (386, 140390), (404, 134135), (505, 107308), (556, 97465), (695, 77972), (772, 70195), (965, 56156), (1010, 53654), (1390, 38986), (1930, 28078), (2020, 26827), (2780, 19493), (3860, 14039)]