27747280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31531}}^1$

素因数の和:31555

約数の個数: 40

約数和(自身を含む): 70379424

約数和(自身を除く): 42632144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31531, 63062, 126124, 157655, 252248, 315310, 346841, 504496, 630620, 693682, 1261240, 1387364, 1734205, 2522480, 2774728, 3468410, 5549456, 6936820, 13873640, 27747280]

約数ペア:

[(1, 27747280), (2, 13873640), (4, 6936820), (5, 5549456), (8, 3468410), (10, 2774728), (11, 2522480), (16, 1734205), (20, 1387364), (22, 1261240), (40, 693682), (44, 630620), (55, 504496), (80, 346841), (88, 315310), (110, 252248), (176, 157655), (220, 126124), (440, 63062), (880, 31531)]