12857240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29221}}^1$

素因数の和:29243

約数の個数: 32

約数和(自身を含む): 31559760

約数和(自身を除く): 18702520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 29221, 58442, 116884, 146105, 233768, 292210, 321431, 584420, 642862, 1168840, 1285724, 1607155, 2571448, 3214310, 6428620, 12857240]

約数ペア:

[(1, 12857240), (2, 6428620), (4, 3214310), (5, 2571448), (8, 1607155), (10, 1285724), (11, 1168840), (20, 642862), (22, 584420), (40, 321431), (44, 292210), (55, 233768), (88, 146105), (110, 116884), (220, 58442), (440, 29221)]