28806140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 66576384

約数和(自身を除く): 37770244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1031, 1270, 1397, 2062, 2540, 2794, 4124, 5155, 5588, 6985, 10310, 11341, 13970, 20620, 22682, 27940, 45364, 56705, 113410, 130937, 226820, 261874, 523748, 654685, 1309370, 1440307, 2618740, 2880614, 5761228, 7201535, 14403070, 28806140]

約数ペア:

[(1, 28806140), (2, 14403070), (4, 7201535), (5, 5761228), (10, 2880614), (11, 2618740), (20, 1440307), (22, 1309370), (44, 654685), (55, 523748), (110, 261874), (127, 226820), (220, 130937), (254, 113410), (508, 56705), (635, 45364), (1031, 27940), (1270, 22682), (1397, 20620), (2062, 13970), (2540, 11341), (2794, 10310), (4124, 6985), (5155, 5588)]