2656040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2887}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 6238080

約数和(自身を除く): 3582040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2887, 5774, 11548, 14435, 23096, 28870, 57740, 66401, 115480, 132802, 265604, 332005, 531208, 664010, 1328020, 2656040]

約数ペア:

[(1, 2656040), (2, 1328020), (4, 664010), (5, 531208), (8, 332005), (10, 265604), (20, 132802), (23, 115480), (40, 66401), (46, 57740), (92, 28870), (115, 23096), (184, 14435), (230, 11548), (460, 5774), (920, 2887)]