12407840

素因数分解:

$2^5\times 5^1\times {\mathrm{77549}}^1$

素因数の和:77564

約数の個数: 24

約数和(自身を含む): 29313900

約数和(自身を除く): 16906060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 77549, 155098, 310196, 387745, 620392, 775490, 1240784, 1550980, 2481568, 3101960, 6203920, 12407840]

約数ペア:

[(1, 12407840), (2, 6203920), (4, 3101960), (5, 2481568), (8, 1550980), (10, 1240784), (16, 775490), (20, 620392), (32, 387745), (40, 310196), (80, 155098), (160, 77549)]