2598940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 5493600

約数和(自身を除く): 2894660

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 653, 796, 995, 1306, 1990, 2612, 3265, 3980, 6530, 13060, 129947, 259894, 519788, 649735, 1299470, 2598940]

約数ペア:

[(1, 2598940), (2, 1299470), (4, 649735), (5, 519788), (10, 259894), (20, 129947), (199, 13060), (398, 6530), (653, 3980), (796, 3265), (995, 2612), (1306, 1990)]