12449680

素因数分解:

$2^4\times 5^1\times {\mathrm{155621}}^1$

素因数の和:155634

約数の個数: 20

約数和(自身を含む): 28945692

約数和(自身を除く): 16496012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155621, 311242, 622484, 778105, 1244968, 1556210, 2489936, 3112420, 6224840, 12449680]

約数ペア:

[(1, 12449680), (2, 6224840), (4, 3112420), (5, 2489936), (8, 1556210), (10, 1244968), (16, 778105), (20, 622484), (40, 311242), (80, 155621)]