78876340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83911}}^1$

素因数の和:83967

約数の個数: 24

約数和(自身を含む): 169166592

約数和(自身を除く): 90290252

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 83911, 167822, 335644, 419555, 839110, 1678220, 3943817, 7887634, 15775268, 19719085, 39438170, 78876340]

約数ペア:

[(1, 78876340), (2, 39438170), (4, 19719085), (5, 15775268), (10, 7887634), (20, 3943817), (47, 1678220), (94, 839110), (188, 419555), (235, 335644), (470, 167822), (940, 83911)]