1224890020

素因数分解:

$2^2\times 5^1\times {\mathrm{61244501}}^1$

素因数の和:61244510

約数の個数: 12

約数和(自身を含む): 2572269084

約数和(自身を除く): 1347379064

約数列:

[1, 2, 4, 5, 10, 20, 61244501, 122489002, 244978004, 306222505, 612445010, 1224890020]

約数ペア:

[(1, 1224890020), (2, 612445010), (4, 306222505), (5, 244978004), (10, 122489002), (20, 61244501)]