27775880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63127}}^1$

素因数の和:63149

約数の個数: 32

約数和(自身を含む): 68178240

約数和(自身を除く): 40402360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63127, 126254, 252508, 315635, 505016, 631270, 694397, 1262540, 1388794, 2525080, 2777588, 3471985, 5555176, 6943970, 13887940, 27775880]

約数ペア:

[(1, 27775880), (2, 13887940), (4, 6943970), (5, 5555176), (8, 3471985), (10, 2777588), (11, 2525080), (20, 1388794), (22, 1262540), (40, 694397), (44, 631270), (55, 505016), (88, 315635), (110, 252508), (220, 126254), (440, 63127)]