1644144620

素因数分解:

$2^2\times 5^1\times {\mathrm{5413}}^1\times {\mathrm{15187}}^1$

素因数の和:20609

約数の個数: 24

約数和(自身を含む): 3453568944

約数和(自身を除く): 1809424324

約数列:

[1, 2, 4, 5, 10, 20, 5413, 10826, 15187, 21652, 27065, 30374, 54130, 60748, 75935, 108260, 151870, 303740, 82207231, 164414462, 328828924, 411036155, 822072310, 1644144620]

約数ペア:

[(1, 1644144620), (2, 822072310), (4, 411036155), (5, 328828924), (10, 164414462), (20, 82207231), (5413, 303740), (10826, 151870), (15187, 108260), (21652, 75935), (27065, 60748), (30374, 54130)]