72901660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1409}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 165816000

約数和(自身を除く): 92914340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1409, 1990, 2587, 2818, 3980, 5174, 5636, 7045, 10348, 12935, 14090, 18317, 25870, 28180, 36634, 51740, 73268, 91585, 183170, 280391, 366340, 560782, 1121564, 1401955, 2803910, 3645083, 5607820, 7290166, 14580332, 18225415, 36450830, 72901660]

約数ペア:

[(1, 72901660), (2, 36450830), (4, 18225415), (5, 14580332), (10, 7290166), (13, 5607820), (20, 3645083), (26, 2803910), (52, 1401955), (65, 1121564), (130, 560782), (199, 366340), (260, 280391), (398, 183170), (796, 91585), (995, 73268), (1409, 51740), (1990, 36634), (2587, 28180), (2818, 25870), (3980, 18317), (5174, 14090), (5636, 12935), (7045, 10348)]