51560660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 115577280

約数和(自身を除く): 64016620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1091, 1390, 2182, 2363, 2780, 4364, 4726, 5455, 9452, 10910, 11815, 18547, 21820, 23630, 37094, 47260, 74188, 92735, 151649, 185470, 303298, 370940, 606596, 758245, 1516490, 2578033, 3032980, 5156066, 10312132, 12890165, 25780330, 51560660]

約数ペア:

[(1, 51560660), (2, 25780330), (4, 12890165), (5, 10312132), (10, 5156066), (17, 3032980), (20, 2578033), (34, 1516490), (68, 758245), (85, 606596), (139, 370940), (170, 303298), (278, 185470), (340, 151649), (556, 92735), (695, 74188), (1091, 47260), (1390, 37094), (2182, 23630), (2363, 21820), (2780, 18547), (4364, 11815), (4726, 10910), (5455, 9452)]