54258020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{24889}}^1$

素因数の和:25007

約数の個数: 24

約数和(自身を含む): 114991800

約数和(自身を除く): 60733780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 24889, 49778, 99556, 124445, 248890, 497780, 2712901, 5425802, 10851604, 13564505, 27129010, 54258020]

約数ペア:

[(1, 54258020), (2, 27129010), (4, 13564505), (5, 10851604), (10, 5425802), (20, 2712901), (109, 497780), (218, 248890), (436, 124445), (545, 99556), (1090, 49778), (2180, 24889)]