2019132040

素因数分解:

$2^3\times 5^1\times {\mathrm{9923}}^1\times {\mathrm{5087}}^1$

素因数の和:15021

約数の個数: 32

約数和(自身を含む): 4544398080

約数和(自身を除く): 2525266040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5087, 9923, 10174, 19846, 20348, 25435, 39692, 40696, 49615, 50870, 79384, 99230, 101740, 198460, 203480, 396920, 50478301, 100956602, 201913204, 252391505, 403826408, 504783010, 1009566020, 2019132040]

約数ペア:

[(1, 2019132040), (2, 1009566020), (4, 504783010), (5, 403826408), (8, 252391505), (10, 201913204), (20, 100956602), (40, 50478301), (5087, 396920), (9923, 203480), (10174, 198460), (19846, 101740), (20348, 99230), (25435, 79384), (39692, 50870), (40696, 49615)]