51090220

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{2029}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 107427600

約数和(自身を除く): 56337380

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2029, 2518, 4058, 5036, 6295, 8116, 10145, 12590, 20290, 25180, 40580, 2554511, 5109022, 10218044, 12772555, 25545110, 51090220]

約数ペア:

[(1, 51090220), (2, 25545110), (4, 12772555), (5, 10218044), (10, 5109022), (20, 2554511), (1259, 40580), (2029, 25180), (2518, 20290), (4058, 12590), (5036, 10145), (6295, 8116)]