86011780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21611}}^1$

素因数の和:21819

約数の個数: 24

約数和(自身を含む): 181540800

約数和(自身を除く): 95529020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21611, 43222, 86444, 108055, 216110, 432220, 4300589, 8601178, 17202356, 21502945, 43005890, 86011780]

約数ペア:

[(1, 86011780), (2, 43005890), (4, 21502945), (5, 17202356), (10, 8601178), (20, 4300589), (199, 432220), (398, 216110), (796, 108055), (995, 86444), (1990, 43222), (3980, 21611)]