12181540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{87011}}^1$

素因数の和:87027

約数の個数: 24

約数和(自身を含む): 29236032

約数和(自身を除く): 17054492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 87011, 174022, 348044, 435055, 609077, 870110, 1218154, 1740220, 2436308, 3045385, 6090770, 12181540]

約数ペア:

[(1, 12181540), (2, 6090770), (4, 3045385), (5, 2436308), (7, 1740220), (10, 1218154), (14, 870110), (20, 609077), (28, 435055), (35, 348044), (70, 174022), (140, 87011)]