85541380

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{4001}}^1$

素因数の和:5079

約数の個数: 24

約数和(自身を含む): 179849880

約数和(自身を除く): 94308500

約数列:

[1, 2, 4, 5, 10, 20, 1069, 2138, 4001, 4276, 5345, 8002, 10690, 16004, 20005, 21380, 40010, 80020, 4277069, 8554138, 17108276, 21385345, 42770690, 85541380]

約数ペア:

[(1, 85541380), (2, 42770690), (4, 21385345), (5, 17108276), (10, 8554138), (20, 4277069), (1069, 80020), (2138, 40010), (4001, 21380), (4276, 20005), (5345, 16004), (8002, 10690)]