2781261760

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{44119}}^1$

素因数の和:44333

約数の個数: 56

約数和(自身を含む): 6656649120

約数和(自身を除く): 3875387360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 12608, 15760, 31520, 44119, 63040, 88238, 176476, 220595, 352952, 441190, 705904, 882380, 1411808, 1764760, 2823616, 3529520, 7059040, 8691443, 14118080, 17382886, 34765772, 43457215, 69531544, 86914430, 139063088, 173828860, 278126176, 347657720, 556252352, 695315440, 1390630880, 2781261760]

約数ペア:

[(1, 2781261760), (2, 1390630880), (4, 695315440), (5, 556252352), (8, 347657720), (10, 278126176), (16, 173828860), (20, 139063088), (32, 86914430), (40, 69531544), (64, 43457215), (80, 34765772), (160, 17382886), (197, 14118080), (320, 8691443), (394, 7059040), (788, 3529520), (985, 2823616), (1576, 1764760), (1970, 1411808), (3152, 882380), (3940, 705904), (6304, 441190), (7880, 352952), (12608, 220595), (15760, 176476), (31520, 88238), (44119, 63040)]