19161008080

素因数分解:

$2^4\times 5^1\times {\mathrm{239512601}}^1$

素因数の和:239512614

約数の個数: 20

約数和(自身を含む): 44549343972

約数和(自身を除く): 25388335892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239512601, 479025202, 958050404, 1197563005, 1916100808, 2395126010, 3832201616, 4790252020, 9580504040, 19161008080]

約数ペア:

[(1, 19161008080), (2, 9580504040), (4, 4790252020), (5, 3832201616), (8, 2395126010), (10, 1916100808), (16, 1197563005), (20, 958050404), (40, 479025202), (80, 239512601)]