25757008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:659

約数の個数: 40

約数和(自身を含む): 52923200

約数和(自身を除く): 27166192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 193, 304, 386, 439, 772, 878, 1544, 1756, 3088, 3512, 3667, 7024, 7334, 8341, 14668, 16682, 29336, 33364, 58672, 66728, 84727, 133456, 169454, 338908, 677816, 1355632, 1609813, 3219626, 6439252, 12878504, 25757008]

約数ペア:

[(1, 25757008), (2, 12878504), (4, 6439252), (8, 3219626), (16, 1609813), (19, 1355632), (38, 677816), (76, 338908), (152, 169454), (193, 133456), (304, 84727), (386, 66728), (439, 58672), (772, 33364), (878, 29336), (1544, 16682), (1756, 14668), (3088, 8341), (3512, 7334), (3667, 7024)]