2644280

素因数分解:

$2^3\times 5^1\times {\mathrm{66107}}^1$

素因数の和:66118

約数の個数: 16

約数和(自身を含む): 5949720

約数和(自身を除く): 3305440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66107, 132214, 264428, 330535, 528856, 661070, 1322140, 2644280]

約数ペア:

[(1, 2644280), (2, 1322140), (4, 661070), (5, 528856), (8, 330535), (10, 264428), (20, 132214), (40, 66107)]