8164660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2011}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 20280960

約数和(自身を除く): 12116300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2011, 2030, 4022, 4060, 8044, 10055, 14077, 20110, 28154, 40220, 56308, 58319, 70385, 116638, 140770, 233276, 281540, 291595, 408233, 583190, 816466, 1166380, 1632932, 2041165, 4082330, 8164660]

約数ペア:

[(1, 8164660), (2, 4082330), (4, 2041165), (5, 1632932), (7, 1166380), (10, 816466), (14, 583190), (20, 408233), (28, 291595), (29, 281540), (35, 233276), (58, 140770), (70, 116638), (116, 70385), (140, 58319), (145, 56308), (203, 40220), (290, 28154), (406, 20110), (580, 14077), (812, 10055), (1015, 8044), (2011, 4060), (2030, 4022)]