25657940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16661}}^1$

素因数の和:16688

約数の個数: 48

約数和(自身を含む): 67181184

約数和(自身を除く): 41523244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16661, 33322, 66644, 83305, 116627, 166610, 183271, 233254, 333220, 366542, 466508, 583135, 733084, 916355, 1166270, 1282897, 1832710, 2332540, 2565794, 3665420, 5131588, 6414485, 12828970, 25657940]

約数ペア:

[(1, 25657940), (2, 12828970), (4, 6414485), (5, 5131588), (7, 3665420), (10, 2565794), (11, 2332540), (14, 1832710), (20, 1282897), (22, 1166270), (28, 916355), (35, 733084), (44, 583135), (55, 466508), (70, 366542), (77, 333220), (110, 233254), (140, 183271), (154, 166610), (220, 116627), (308, 83305), (385, 66644), (770, 33322), (1540, 16661)]