28389260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{48947}}^1$

素因数の和:48985

約数の個数: 24

約数和(自身を含む): 61674480

約数和(自身を除く): 33285220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 48947, 97894, 195788, 244735, 489470, 978940, 1419463, 2838926, 5677852, 7097315, 14194630, 28389260]

約数ペア:

[(1, 28389260), (2, 14194630), (4, 7097315), (5, 5677852), (10, 2838926), (20, 1419463), (29, 978940), (58, 489470), (116, 244735), (145, 195788), (290, 97894), (580, 48947)]