4499680000

素因数分解:

$2^8\times 5^4\times {\mathrm{28123}}^1$

素因数の和:28159

約数の個数: 90

約数和(自身を含む): 11224035284

約数和(自身を除く): 6724355284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 1000, 1250, 1280, 1600, 2000, 2500, 3200, 4000, 5000, 6400, 8000, 10000, 16000, 20000, 28123, 32000, 40000, 56246, 80000, 112492, 140615, 160000, 224984, 281230, 449968, 562460, 703075, 899936, 1124920, 1406150, 1799872, 2249840, 2812300, 3515375, 3599744, 4499680, 5624600, 7030750, 7199488, 8999360, 11249200, 14061500, 17576875, 17998720, 22498400, 28123000, 35153750, 35997440, 44996800, 56246000, 70307500, 89993600, 112492000, 140615000, 179987200, 224984000, 281230000, 449968000, 562460000, 899936000, 1124920000, 2249840000, 4499680000]

約数ペア:

[(1, 4499680000), (2, 2249840000), (4, 1124920000), (5, 899936000), (8, 562460000), (10, 449968000), (16, 281230000), (20, 224984000), (25, 179987200), (32, 140615000), (40, 112492000), (50, 89993600), (64, 70307500), (80, 56246000), (100, 44996800), (125, 35997440), (128, 35153750), (160, 28123000), (200, 22498400), (250, 17998720), (256, 17576875), (320, 14061500), (400, 11249200), (500, 8999360), (625, 7199488), (640, 7030750), (800, 5624600), (1000, 4499680), (1250, 3599744), (1280, 3515375), (1600, 2812300), (2000, 2249840), (2500, 1799872), (3200, 1406150), (4000, 1124920), (5000, 899936), (6400, 703075), (8000, 562460), (10000, 449968), (16000, 281230), (20000, 224984), (28123, 160000), (32000, 140615), (40000, 112492), (56246, 80000)]