856702960

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{53813}}^1$

素因数の和:54025

約数の個数: 40

約数和(自身を含む): 2001880800

約数和(自身を除く): 1145177840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 53813, 107626, 215252, 269065, 430504, 538130, 861008, 1076260, 2152520, 4305040, 10708787, 21417574, 42835148, 53543935, 85670296, 107087870, 171340592, 214175740, 428351480, 856702960]

約数ペア:

[(1, 856702960), (2, 428351480), (4, 214175740), (5, 171340592), (8, 107087870), (10, 85670296), (16, 53543935), (20, 42835148), (40, 21417574), (80, 10708787), (199, 4305040), (398, 2152520), (796, 1076260), (995, 861008), (1592, 538130), (1990, 430504), (3184, 269065), (3980, 215252), (7960, 107626), (15920, 53813)]