42378940

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10979}}^1$

素因数の和:11181

約数の個数: 24

約数和(自身を含む): 89465040

約数和(自身を除く): 47086100

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 10979, 21958, 43916, 54895, 109790, 219580, 2118947, 4237894, 8475788, 10594735, 21189470, 42378940]

約数ペア:

[(1, 42378940), (2, 21189470), (4, 10594735), (5, 8475788), (10, 4237894), (20, 2118947), (193, 219580), (386, 109790), (772, 54895), (965, 43916), (1930, 21958), (3860, 10979)]