2085774680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4740397}}^1$

素因数の和:4740419

約数の個数: 32

約数和(自身を含む): 5119629840

約数和(自身を除く): 3033855160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4740397, 9480794, 18961588, 23701985, 37923176, 47403970, 52144367, 94807940, 104288734, 189615880, 208577468, 260721835, 417154936, 521443670, 1042887340, 2085774680]

約数ペア:

[(1, 2085774680), (2, 1042887340), (4, 521443670), (5, 417154936), (8, 260721835), (10, 208577468), (11, 189615880), (20, 104288734), (22, 94807940), (40, 52144367), (44, 47403970), (55, 37923176), (88, 23701985), (110, 18961588), (220, 9480794), (440, 4740397)]