20804598160

素因数分解:

$2^4\times 5^1\times {\mathrm{260057477}}^1$

素因数の和:260057490

約数の個数: 20

約数和(自身を含む): 48370690908

約数和(自身を除く): 27566092748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 260057477, 520114954, 1040229908, 1300287385, 2080459816, 2600574770, 4160919632, 5201149540, 10402299080, 20804598160]

約数ペア:

[(1, 20804598160), (2, 10402299080), (4, 5201149540), (5, 4160919632), (8, 2600574770), (10, 2080459816), (16, 1300287385), (20, 1040229908), (40, 520114954), (80, 260057477)]