7181540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2621}}^1$

素因数の和:2767

約数の個数: 24

約数和(自身を含む): 15197112

約数和(自身を除く): 8015572

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2621, 2740, 5242, 10484, 13105, 26210, 52420, 359077, 718154, 1436308, 1795385, 3590770, 7181540]

約数ペア:

[(1, 7181540), (2, 3590770), (4, 1795385), (5, 1436308), (10, 718154), (20, 359077), (137, 52420), (274, 26210), (548, 13105), (685, 10484), (1370, 5242), (2621, 2740)]