2080641880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 4890326400

約数和(自身を除く): 2809684520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 479, 565, 620, 904, 958, 961, 1130, 1240, 1916, 1922, 2260, 2395, 3503, 3832, 3844, 4520, 4790, 4805, 7006, 7688, 9580, 9610, 14012, 14849, 17515, 19160, 19220, 28024, 29698, 35030, 38440, 54127, 59396, 70060, 74245, 108254, 108593, 118792, 140120, 148490, 216508, 217186, 270635, 296980, 433016, 434372, 460319, 541270, 542965, 593960, 868744, 920638, 1082540, 1085930, 1677937, 1841276, 2165080, 2171860, 2301595, 3355874, 3682552, 4343720, 4603190, 6711748, 8389685, 9206380, 13423496, 16779370, 18412760, 33558740, 52016047, 67117480, 104032094, 208064188, 260080235, 416128376, 520160470, 1040320940, 2080641880]

約数ペア:

[(1, 2080641880), (2, 1040320940), (4, 520160470), (5, 416128376), (8, 260080235), (10, 208064188), (20, 104032094), (31, 67117480), (40, 52016047), (62, 33558740), (113, 18412760), (124, 16779370), (155, 13423496), (226, 9206380), (248, 8389685), (310, 6711748), (452, 4603190), (479, 4343720), (565, 3682552), (620, 3355874), (904, 2301595), (958, 2171860), (961, 2165080), (1130, 1841276), (1240, 1677937), (1916, 1085930), (1922, 1082540), (2260, 920638), (2395, 868744), (3503, 593960), (3832, 542965), (3844, 541270), (4520, 460319), (4790, 434372), (4805, 433016), (7006, 296980), (7688, 270635), (9580, 217186), (9610, 216508), (14012, 148490), (14849, 140120), (17515, 118792), (19160, 108593), (19220, 108254), (28024, 74245), (29698, 70060), (35030, 59396), (38440, 54127)]