81092980

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{5399}}^1$

素因数の和:6159

約数の個数: 24

約数和(自身を含む): 170553600

約数和(自身を除く): 89460620

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 3004, 3755, 5399, 7510, 10798, 15020, 21596, 26995, 53990, 107980, 4054649, 8109298, 16218596, 20273245, 40546490, 81092980]

約数ペア:

[(1, 81092980), (2, 40546490), (4, 20273245), (5, 16218596), (10, 8109298), (20, 4054649), (751, 107980), (1502, 53990), (3004, 26995), (3755, 21596), (5399, 15020), (7510, 10798)]