47920000

素因数分解:

$2^7\times 5^4\times {\mathrm{599}}^1$

素因数の和:633

約数の個数: 80

約数和(自身を含む): 119493000

約数和(自身を除く): 71573000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 599, 625, 640, 800, 1000, 1198, 1250, 1600, 2000, 2396, 2500, 2995, 3200, 4000, 4792, 5000, 5990, 8000, 9584, 10000, 11980, 14975, 16000, 19168, 20000, 23960, 29950, 38336, 40000, 47920, 59900, 74875, 76672, 80000, 95840, 119800, 149750, 191680, 239600, 299500, 374375, 383360, 479200, 599000, 748750, 958400, 1198000, 1497500, 1916800, 2396000, 2995000, 4792000, 5990000, 9584000, 11980000, 23960000, 47920000]

約数ペア:

[(1, 47920000), (2, 23960000), (4, 11980000), (5, 9584000), (8, 5990000), (10, 4792000), (16, 2995000), (20, 2396000), (25, 1916800), (32, 1497500), (40, 1198000), (50, 958400), (64, 748750), (80, 599000), (100, 479200), (125, 383360), (128, 374375), (160, 299500), (200, 239600), (250, 191680), (320, 149750), (400, 119800), (500, 95840), (599, 80000), (625, 76672), (640, 74875), (800, 59900), (1000, 47920), (1198, 40000), (1250, 38336), (1600, 29950), (2000, 23960), (2396, 20000), (2500, 19168), (2995, 16000), (3200, 14975), (4000, 11980), (4792, 10000), (5000, 9584), (5990, 8000)]