31999468040

素因数分解:

$2^3\times 5^1\times {\mathrm{799986701}}^1$

素因数の和:799986712

約数の個数: 16

約数和(自身を含む): 71998803180

約数和(自身を除く): 39999335140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 799986701, 1599973402, 3199946804, 3999933505, 6399893608, 7999867010, 15999734020, 31999468040]

約数ペア:

[(1, 31999468040), (2, 15999734020), (4, 7999867010), (5, 6399893608), (8, 3999933505), (10, 3199946804), (20, 1599973402), (40, 799986701)]