560140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4001}}^1$

素因数の和:4017

約数の個数: 24

約数和(自身を含む): 1344672

約数和(自身を除く): 784532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4001, 8002, 16004, 20005, 28007, 40010, 56014, 80020, 112028, 140035, 280070, 560140]

約数ペア:

[(1, 560140), (2, 280070), (4, 140035), (5, 112028), (7, 80020), (10, 56014), (14, 40010), (20, 28007), (28, 20005), (35, 16004), (70, 8002), (140, 4001)]