85566020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21499}}^1$

素因数の和:21707

約数の個数: 24

約数和(自身を含む): 180600000

約数和(自身を除く): 95033980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21499, 42998, 85996, 107495, 214990, 429980, 4278301, 8556602, 17113204, 21391505, 42783010, 85566020]

約数ペア:

[(1, 85566020), (2, 42783010), (4, 21391505), (5, 17113204), (10, 8556602), (20, 4278301), (199, 429980), (398, 214990), (796, 107495), (995, 85996), (1990, 42998), (3980, 21499)]