28468220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129401}}^1$

素因数の和:129421

約数の個数: 24

約数和(自身を含む): 65218608

約数和(自身を除く): 36750388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129401, 258802, 517604, 647005, 1294010, 1423411, 2588020, 2846822, 5693644, 7117055, 14234110, 28468220]

約数ペア:

[(1, 28468220), (2, 14234110), (4, 7117055), (5, 5693644), (10, 2846822), (11, 2588020), (20, 1423411), (22, 1294010), (44, 647005), (55, 517604), (110, 258802), (220, 129401)]