20160455180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1451}}^1\times {\mathrm{3491}}^1$

素因数の和:5150

約数の個数: 48

約数和(自身を含む): 42591225600

約数和(自身を除く): 22430770420

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1451, 1990, 2902, 3491, 3980, 5804, 6982, 7255, 13964, 14510, 17455, 29020, 34910, 69820, 288749, 577498, 694709, 1154996, 1389418, 1443745, 2778836, 2887490, 3473545, 5065441, 5774980, 6947090, 10130882, 13894180, 20261764, 25327205, 50654410, 101308820, 1008022759, 2016045518, 4032091036, 5040113795, 10080227590, 20160455180]

約数ペア:

[(1, 20160455180), (2, 10080227590), (4, 5040113795), (5, 4032091036), (10, 2016045518), (20, 1008022759), (199, 101308820), (398, 50654410), (796, 25327205), (995, 20261764), (1451, 13894180), (1990, 10130882), (2902, 6947090), (3491, 5774980), (3980, 5065441), (5804, 3473545), (6982, 2887490), (7255, 2778836), (13964, 1443745), (14510, 1389418), (17455, 1154996), (29020, 694709), (34910, 577498), (69820, 288749)]