1287220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5851}}^1$

素因数の和:5871

約数の個数: 24

約数和(自身を含む): 2949408

約数和(自身を除く): 1662188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5851, 11702, 23404, 29255, 58510, 64361, 117020, 128722, 257444, 321805, 643610, 1287220]

約数ペア:

[(1, 1287220), (2, 643610), (4, 321805), (5, 257444), (10, 128722), (11, 117020), (20, 64361), (22, 58510), (44, 29255), (55, 23404), (110, 11702), (220, 5851)]