4720000

素因数分解:

$2^7\times 5^4\times {\mathrm{59}}^1$

素因数の和:93

約数の個数: 80

約数和(自身を含む): 11949300

約数和(自身を除く): 7229300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 64, 80, 100, 118, 125, 128, 160, 200, 236, 250, 295, 320, 400, 472, 500, 590, 625, 640, 800, 944, 1000, 1180, 1250, 1475, 1600, 1888, 2000, 2360, 2500, 2950, 3200, 3776, 4000, 4720, 5000, 5900, 7375, 7552, 8000, 9440, 10000, 11800, 14750, 16000, 18880, 20000, 23600, 29500, 36875, 37760, 40000, 47200, 59000, 73750, 80000, 94400, 118000, 147500, 188800, 236000, 295000, 472000, 590000, 944000, 1180000, 2360000, 4720000]

約数ペア:

[(1, 4720000), (2, 2360000), (4, 1180000), (5, 944000), (8, 590000), (10, 472000), (16, 295000), (20, 236000), (25, 188800), (32, 147500), (40, 118000), (50, 94400), (59, 80000), (64, 73750), (80, 59000), (100, 47200), (118, 40000), (125, 37760), (128, 36875), (160, 29500), (200, 23600), (236, 20000), (250, 18880), (295, 16000), (320, 14750), (400, 11800), (472, 10000), (500, 9440), (590, 8000), (625, 7552), (640, 7375), (800, 5900), (944, 5000), (1000, 4720), (1180, 4000), (1250, 3776), (1475, 3200), (1600, 2950), (1888, 2500), (2000, 2360)]