8689340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 20127744

約数和(自身を除く): 11438404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 311, 508, 622, 635, 1244, 1270, 1397, 1555, 2540, 2794, 3110, 3421, 5588, 6220, 6842, 6985, 13684, 13970, 17105, 27940, 34210, 39497, 68420, 78994, 157988, 197485, 394970, 434467, 789940, 868934, 1737868, 2172335, 4344670, 8689340]

約数ペア:

[(1, 8689340), (2, 4344670), (4, 2172335), (5, 1737868), (10, 868934), (11, 789940), (20, 434467), (22, 394970), (44, 197485), (55, 157988), (110, 78994), (127, 68420), (220, 39497), (254, 34210), (311, 27940), (508, 17105), (622, 13970), (635, 13684), (1244, 6985), (1270, 6842), (1397, 6220), (1555, 5588), (2540, 3421), (2794, 3110)]