12540760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 30780000

約数和(自身を除く): 18239240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 569, 580, 760, 1102, 1138, 1160, 2204, 2276, 2755, 2845, 4408, 4552, 5510, 5690, 10811, 11020, 11380, 16501, 21622, 22040, 22760, 33002, 43244, 54055, 66004, 82505, 86488, 108110, 132008, 165010, 216220, 313519, 330020, 432440, 627038, 660040, 1254076, 1567595, 2508152, 3135190, 6270380, 12540760]

約数ペア:

[(1, 12540760), (2, 6270380), (4, 3135190), (5, 2508152), (8, 1567595), (10, 1254076), (19, 660040), (20, 627038), (29, 432440), (38, 330020), (40, 313519), (58, 216220), (76, 165010), (95, 132008), (116, 108110), (145, 86488), (152, 82505), (190, 66004), (232, 54055), (290, 43244), (380, 33002), (551, 22760), (569, 22040), (580, 21622), (760, 16501), (1102, 11380), (1138, 11020), (1160, 10811), (2204, 5690), (2276, 5510), (2755, 4552), (2845, 4408)]