85870490

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{43151}}^1$

素因数の和:43357

約数の個数: 16

約数和(自身を含む): 155347200

約数和(自身を除く): 69476710

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 43151, 86302, 215755, 431510, 8587049, 17174098, 42935245, 85870490]

約数ペア:

[(1, 85870490), (2, 42935245), (5, 17174098), (10, 8587049), (199, 431510), (398, 215755), (995, 86302), (1990, 43151)]