2591000

素因数分解:

$2^3\times 5^3\times {\mathrm{2591}}^1$

素因数の和:2612

約数の個数: 32

約数和(自身を含む): 6065280

約数和(自身を除く): 3474280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 2591, 5182, 10364, 12955, 20728, 25910, 51820, 64775, 103640, 129550, 259100, 323875, 518200, 647750, 1295500, 2591000]

約数ペア:

[(1, 2591000), (2, 1295500), (4, 647750), (5, 518200), (8, 323875), (10, 259100), (20, 129550), (25, 103640), (40, 64775), (50, 51820), (100, 25910), (125, 20728), (200, 12955), (250, 10364), (500, 5182), (1000, 2591)]