87707260

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{22037}}^1$

素因数の和:22245

約数の個数: 24

約数和(自身を含む): 185119200

約数和(自身を除く): 97411940

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 22037, 44074, 88148, 110185, 220370, 440740, 4385363, 8770726, 17541452, 21926815, 43853630, 87707260]

約数ペア:

[(1, 87707260), (2, 43853630), (4, 21926815), (5, 17541452), (10, 8770726), (20, 4385363), (199, 440740), (398, 220370), (796, 110185), (995, 88148), (1990, 44074), (3980, 22037)]