8473420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2129}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 17892000

約数和(自身を除く): 9418580

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 2129, 3980, 4258, 8516, 10645, 21290, 42580, 423671, 847342, 1694684, 2118355, 4236710, 8473420]

約数ペア:

[(1, 8473420), (2, 4236710), (4, 2118355), (5, 1694684), (10, 847342), (20, 423671), (199, 42580), (398, 21290), (796, 10645), (995, 8516), (1990, 4258), (2129, 3980)]