2155990180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2033953}}^1$

素因数の和:2034015

約数の個数: 24

約数和(自身を含む): 4613007672

約数和(自身を除く): 2457017492

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 2033953, 4067906, 8135812, 10169765, 20339530, 40679060, 107799509, 215599018, 431198036, 538997545, 1077995090, 2155990180]

約数ペア:

[(1, 2155990180), (2, 1077995090), (4, 538997545), (5, 431198036), (10, 215599018), (20, 107799509), (53, 40679060), (106, 20339530), (212, 10169765), (265, 8135812), (530, 4067906), (1060, 2033953)]