11980000

素因数分解:

$2^5\times 5^4\times {\mathrm{599}}^1$

素因数の和:629

約数の個数: 60

約数和(自身を含む): 29521800

約数和(自身を除く): 17541800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 599, 625, 800, 1000, 1198, 1250, 2000, 2396, 2500, 2995, 4000, 4792, 5000, 5990, 9584, 10000, 11980, 14975, 19168, 20000, 23960, 29950, 47920, 59900, 74875, 95840, 119800, 149750, 239600, 299500, 374375, 479200, 599000, 748750, 1198000, 1497500, 2396000, 2995000, 5990000, 11980000]

約数ペア:

[(1, 11980000), (2, 5990000), (4, 2995000), (5, 2396000), (8, 1497500), (10, 1198000), (16, 748750), (20, 599000), (25, 479200), (32, 374375), (40, 299500), (50, 239600), (80, 149750), (100, 119800), (125, 95840), (160, 74875), (200, 59900), (250, 47920), (400, 29950), (500, 23960), (599, 20000), (625, 19168), (800, 14975), (1000, 11980), (1198, 10000), (1250, 9584), (2000, 5990), (2396, 5000), (2500, 4792), (2995, 4000)]