12955000

素因数分解:

$2^3\times 5^4\times {\mathrm{2591}}^1$

素因数の和:2617

約数の個数: 40

約数和(自身を含む): 30365280

約数和(自身を除く): 17410280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 2591, 5000, 5182, 10364, 12955, 20728, 25910, 51820, 64775, 103640, 129550, 259100, 323875, 518200, 647750, 1295500, 1619375, 2591000, 3238750, 6477500, 12955000]

約数ペア:

[(1, 12955000), (2, 6477500), (4, 3238750), (5, 2591000), (8, 1619375), (10, 1295500), (20, 647750), (25, 518200), (40, 323875), (50, 259100), (100, 129550), (125, 103640), (200, 64775), (250, 51820), (500, 25910), (625, 20728), (1000, 12955), (1250, 10364), (2500, 5182), (2591, 5000)]