28384760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30853}}^1$

素因数の和:30887

約数の個数: 32

約数和(自身を含む): 66644640

約数和(自身を除く): 38259880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 30853, 61706, 123412, 154265, 246824, 308530, 617060, 709619, 1234120, 1419238, 2838476, 3548095, 5676952, 7096190, 14192380, 28384760]

約数ペア:

[(1, 28384760), (2, 14192380), (4, 7096190), (5, 5676952), (8, 3548095), (10, 2838476), (20, 1419238), (23, 1234120), (40, 709619), (46, 617060), (92, 308530), (115, 246824), (184, 154265), (230, 123412), (460, 61706), (920, 30853)]