8222680

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1033}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 18612000

約数和(自身を除く): 10389320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1033, 1592, 1990, 2066, 3980, 4132, 5165, 7960, 8264, 10330, 20660, 41320, 205567, 411134, 822268, 1027835, 1644536, 2055670, 4111340, 8222680]

約数ペア:

[(1, 8222680), (2, 4111340), (4, 2055670), (5, 1644536), (8, 1027835), (10, 822268), (20, 411134), (40, 205567), (199, 41320), (398, 20660), (796, 10330), (995, 8264), (1033, 7960), (1592, 5165), (1990, 4132), (2066, 3980)]