4441540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1621}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 9401112

約数和(自身を除く): 4959572

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1621, 2740, 3242, 6484, 8105, 16210, 32420, 222077, 444154, 888308, 1110385, 2220770, 4441540]

約数ペア:

[(1, 4441540), (2, 2220770), (4, 1110385), (5, 888308), (10, 444154), (20, 222077), (137, 32420), (274, 16210), (548, 8105), (685, 6484), (1370, 3242), (1621, 2740)]