87970660

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5437}}^1$

素因数の和:6255

約数の個数: 24

約数和(自身を含む): 185000760

約数和(自身を除く): 97030100

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 5437, 8090, 10874, 16180, 21748, 27185, 54370, 108740, 4398533, 8797066, 17594132, 21992665, 43985330, 87970660]

約数ペア:

[(1, 87970660), (2, 43985330), (4, 21992665), (5, 17594132), (10, 8797066), (20, 4398533), (809, 108740), (1618, 54370), (3236, 27185), (4045, 21748), (5437, 16180), (8090, 10874)]