8075420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2029}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 17052000

約数和(自身を除く): 8976580

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 2029, 3980, 4058, 8116, 10145, 20290, 40580, 403771, 807542, 1615084, 2018855, 4037710, 8075420]

約数ペア:

[(1, 8075420), (2, 4037710), (4, 2018855), (5, 1615084), (10, 807542), (20, 403771), (199, 40580), (398, 20290), (796, 10145), (995, 8116), (1990, 4058), (2029, 3980)]