12459580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{88997}}^1$

素因数の和:89013

約数の個数: 24

約数和(自身を含む): 29903328

約数和(自身を除く): 17443748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 88997, 177994, 355988, 444985, 622979, 889970, 1245958, 1779940, 2491916, 3114895, 6229790, 12459580]

約数ペア:

[(1, 12459580), (2, 6229790), (4, 3114895), (5, 2491916), (7, 1779940), (10, 1245958), (14, 889970), (20, 622979), (28, 444985), (35, 355988), (70, 177994), (140, 88997)]