71961140

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{3463}}^1$

素因数の和:4511

約数の個数: 24

約数和(自身を含む): 151307520

約数和(自身を除く): 79346380

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 3463, 4156, 5195, 6926, 10390, 13852, 17315, 20780, 34630, 69260, 3598057, 7196114, 14392228, 17990285, 35980570, 71961140]

約数ペア:

[(1, 71961140), (2, 35980570), (4, 17990285), (5, 14392228), (10, 7196114), (20, 3598057), (1039, 69260), (2078, 34630), (3463, 20780), (4156, 17315), (5195, 13852), (6926, 10390)]