8661940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61871}}^1$

素因数の和:61887

約数の個数: 24

約数和(自身を含む): 20788992

約数和(自身を除く): 12127052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 61871, 123742, 247484, 309355, 433097, 618710, 866194, 1237420, 1732388, 2165485, 4330970, 8661940]

約数ペア:

[(1, 8661940), (2, 4330970), (4, 2165485), (5, 1732388), (7, 1237420), (10, 866194), (14, 618710), (20, 433097), (28, 309355), (35, 247484), (70, 123742), (140, 61871)]