28132720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4567}}^1$

素因数の和:4598

約数の個数: 80

約数和(自身を含む): 81566208

約数和(自身を除く): 53433488

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, 4567, 6160, 9134, 18268, 22835, 31969, 36536, 45670, 50237, 63938, 73072, 91340, 100474, 127876, 159845, 182680, 200948, 251185, 255752, 319690, 351659, 365360, 401896, 502370, 511504, 639380, 703318, 803792, 1004740, 1278760, 1406636, 1758295, 2009480, 2557520, 2813272, 3516590, 4018960, 5626544, 7033180, 14066360, 28132720]

約数ペア:

[(1, 28132720), (2, 14066360), (4, 7033180), (5, 5626544), (7, 4018960), (8, 3516590), (10, 2813272), (11, 2557520), (14, 2009480), (16, 1758295), (20, 1406636), (22, 1278760), (28, 1004740), (35, 803792), (40, 703318), (44, 639380), (55, 511504), (56, 502370), (70, 401896), (77, 365360), (80, 351659), (88, 319690), (110, 255752), (112, 251185), (140, 200948), (154, 182680), (176, 159845), (220, 127876), (280, 100474), (308, 91340), (385, 73072), (440, 63938), (560, 50237), (616, 45670), (770, 36536), (880, 31969), (1232, 22835), (1540, 18268), (3080, 9134), (4567, 6160)]