52660720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 140848128

約数和(自身を除く): 88187408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 347, 542, 560, 694, 1084, 1355, 1388, 1735, 1897, 2168, 2429, 2710, 2776, 3470, 3794, 4336, 4858, 5420, 5552, 6940, 7588, 9485, 9716, 10840, 12145, 13880, 15176, 18970, 19432, 21680, 24290, 27760, 30352, 37940, 38864, 48580, 75880, 94037, 97160, 151760, 188074, 194320, 376148, 470185, 658259, 752296, 940370, 1316518, 1504592, 1880740, 2633036, 3291295, 3761480, 5266072, 6582590, 7522960, 10532144, 13165180, 26330360, 52660720]

約数ペア:

[(1, 52660720), (2, 26330360), (4, 13165180), (5, 10532144), (7, 7522960), (8, 6582590), (10, 5266072), (14, 3761480), (16, 3291295), (20, 2633036), (28, 1880740), (35, 1504592), (40, 1316518), (56, 940370), (70, 752296), (80, 658259), (112, 470185), (140, 376148), (271, 194320), (280, 188074), (347, 151760), (542, 97160), (560, 94037), (694, 75880), (1084, 48580), (1355, 38864), (1388, 37940), (1735, 30352), (1897, 27760), (2168, 24290), (2429, 21680), (2710, 19432), (2776, 18970), (3470, 15176), (3794, 13880), (4336, 12145), (4858, 10840), (5420, 9716), (5552, 9485), (6940, 7588)]