20161329640

素因数分解:

$2^3\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{214391}}^1$

素因数の和:216753

約数の個数: 32

約数和(自身を含む): 45382498560

約数和(自身を除く): 25221168920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2351, 4702, 9404, 11755, 18808, 23510, 47020, 94040, 214391, 428782, 857564, 1071955, 1715128, 2143910, 4287820, 8575640, 504033241, 1008066482, 2016132964, 2520166205, 4032265928, 5040332410, 10080664820, 20161329640]

約数ペア:

[(1, 20161329640), (2, 10080664820), (4, 5040332410), (5, 4032265928), (8, 2520166205), (10, 2016132964), (20, 1008066482), (40, 504033241), (2351, 8575640), (4702, 4287820), (9404, 2143910), (11755, 1715128), (18808, 1071955), (23510, 857564), (47020, 428782), (94040, 214391)]