2008172680

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{252283}}^1$

素因数の和:252493

約数の個数: 32

約数和(自身を含む): 4541112000

約数和(自身を除く): 2532939320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 252283, 504566, 1009132, 1261415, 2018264, 2522830, 5045660, 10091320, 50204317, 100408634, 200817268, 251021585, 401634536, 502043170, 1004086340, 2008172680]

約数ペア:

[(1, 2008172680), (2, 1004086340), (4, 502043170), (5, 401634536), (8, 251021585), (10, 200817268), (20, 100408634), (40, 50204317), (199, 10091320), (398, 5045660), (796, 2522830), (995, 2018264), (1592, 1261415), (1990, 1009132), (3980, 504566), (7960, 252283)]