30909640

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2293}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 69783480

約数和(自身を除く): 38873840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2293, 2696, 3370, 4586, 6740, 9172, 11465, 13480, 18344, 22930, 45860, 91720, 772741, 1545482, 3090964, 3863705, 6181928, 7727410, 15454820, 30909640]

約数ペア:

[(1, 30909640), (2, 15454820), (4, 7727410), (5, 6181928), (8, 3863705), (10, 3090964), (20, 1545482), (40, 772741), (337, 91720), (674, 45860), (1348, 22930), (1685, 18344), (2293, 13480), (2696, 11465), (3370, 9172), (4586, 6740)]