28288660

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{13219}}^1$

素因数の和:13335

約数の個数: 24

約数和(自身を含む): 59965920

約数和(自身を除く): 31677260

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 13219, 26438, 52876, 66095, 132190, 264380, 1414433, 2828866, 5657732, 7072165, 14144330, 28288660]

約数ペア:

[(1, 28288660), (2, 14144330), (4, 7072165), (5, 5657732), (10, 2828866), (20, 1414433), (107, 264380), (214, 132190), (428, 66095), (535, 52876), (1070, 26438), (2140, 13219)]