25195420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{29297}}^1$

素因数の和:29349

約数の個数: 24

約数和(自身を含む): 54142704

約数和(自身を除く): 28947284

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 29297, 58594, 117188, 146485, 292970, 585940, 1259771, 2519542, 5039084, 6298855, 12597710, 25195420]

約数ペア:

[(1, 25195420), (2, 12597710), (4, 6298855), (5, 5039084), (10, 2519542), (20, 1259771), (43, 585940), (86, 292970), (172, 146485), (215, 117188), (430, 58594), (860, 29297)]