39984560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6491}}^1$

素因数の和:6522

約数の個数: 80

約数和(自身を含む): 115921152

約数和(自身を除く): 75936592

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 6491, 12982, 25964, 32455, 45437, 51928, 64910, 71401, 90874, 103856, 129820, 142802, 181748, 227185, 259640, 285604, 357005, 363496, 454370, 499807, 519280, 571208, 714010, 726992, 908740, 999614, 1142416, 1428020, 1817480, 1999228, 2499035, 2856040, 3634960, 3998456, 4998070, 5712080, 7996912, 9996140, 19992280, 39984560]

約数ペア:

[(1, 39984560), (2, 19992280), (4, 9996140), (5, 7996912), (7, 5712080), (8, 4998070), (10, 3998456), (11, 3634960), (14, 2856040), (16, 2499035), (20, 1999228), (22, 1817480), (28, 1428020), (35, 1142416), (40, 999614), (44, 908740), (55, 726992), (56, 714010), (70, 571208), (77, 519280), (80, 499807), (88, 454370), (110, 363496), (112, 357005), (140, 285604), (154, 259640), (176, 227185), (220, 181748), (280, 142802), (308, 129820), (385, 103856), (440, 90874), (560, 71401), (616, 64910), (770, 51928), (880, 45437), (1232, 32455), (1540, 25964), (3080, 12982), (6160, 6491)]