82203920

素因数分解:

$2^4\times 5^1\times {\mathrm{1027549}}^1$

素因数の和:1027562

約数の個数: 20

約数和(自身を含む): 191124300

約数和(自身を除く): 108920380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1027549, 2055098, 4110196, 5137745, 8220392, 10275490, 16440784, 20550980, 41101960, 82203920]

約数ペア:

[(1, 82203920), (2, 41101960), (4, 20550980), (5, 16440784), (8, 10275490), (10, 8220392), (16, 5137745), (20, 4110196), (40, 2055098), (80, 1027549)]