12210520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43609}}^1$

素因数の和:43627

約数の個数: 32

約数和(自身を含む): 31399200

約数和(自身を除く): 19188680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43609, 87218, 174436, 218045, 305263, 348872, 436090, 610526, 872180, 1221052, 1526315, 1744360, 2442104, 3052630, 6105260, 12210520]

約数ペア:

[(1, 12210520), (2, 6105260), (4, 3052630), (5, 2442104), (7, 1744360), (8, 1526315), (10, 1221052), (14, 872180), (20, 610526), (28, 436090), (35, 348872), (40, 305263), (56, 218045), (70, 174436), (140, 87218), (280, 43609)]