54571940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25033}}^1$

素因数の和:25151

約数の個数: 24

約数和(自身を含む): 115657080

約数和(自身を除く): 61085140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25033, 50066, 100132, 125165, 250330, 500660, 2728597, 5457194, 10914388, 13642985, 27285970, 54571940]

約数ペア:

[(1, 54571940), (2, 27285970), (4, 13642985), (5, 10914388), (10, 5457194), (20, 2728597), (109, 500660), (218, 250330), (436, 125165), (545, 100132), (1090, 50066), (2180, 25033)]