51616000

素因数分解:

$2^8\times 5^3\times {\mathrm{1613}}^1$

素因数の和:1644

約数の個数: 72

約数和(自身を含む): 128661624

約数和(自身を除く): 77045624

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, 640, 800, 1000, 1280, 1600, 1613, 2000, 3200, 3226, 4000, 6400, 6452, 8000, 8065, 12904, 16000, 16130, 25808, 32000, 32260, 40325, 51616, 64520, 80650, 103232, 129040, 161300, 201625, 206464, 258080, 322600, 403250, 412928, 516160, 645200, 806500, 1032320, 1290400, 1613000, 2064640, 2580800, 3226000, 5161600, 6452000, 10323200, 12904000, 25808000, 51616000]

約数ペア:

[(1, 51616000), (2, 25808000), (4, 12904000), (5, 10323200), (8, 6452000), (10, 5161600), (16, 3226000), (20, 2580800), (25, 2064640), (32, 1613000), (40, 1290400), (50, 1032320), (64, 806500), (80, 645200), (100, 516160), (125, 412928), (128, 403250), (160, 322600), (200, 258080), (250, 206464), (256, 201625), (320, 161300), (400, 129040), (500, 103232), (640, 80650), (800, 64520), (1000, 51616), (1280, 40325), (1600, 32260), (1613, 32000), (2000, 25808), (3200, 16130), (3226, 16000), (4000, 12904), (6400, 8065), (6452, 8000)]