22081480

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2099}}^1$

素因数の和:2373

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 27814520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2099, 2104, 2630, 4198, 5260, 8396, 10495, 10520, 16792, 20990, 41980, 83960, 552037, 1104074, 2208148, 2760185, 4416296, 5520370, 11040740, 22081480]

約数ペア:

[(1, 22081480), (2, 11040740), (4, 5520370), (5, 4416296), (8, 2760185), (10, 2208148), (20, 1104074), (40, 552037), (263, 83960), (526, 41980), (1052, 20990), (1315, 16792), (2099, 10520), (2104, 10495), (2630, 8396), (4198, 5260)]