24875000

素因数分解:

$2^3\times 5^6\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 56

約数和(自身を含む): 58593000

約数和(自身を除く): 33718000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 199, 200, 250, 398, 500, 625, 796, 995, 1000, 1250, 1592, 1990, 2500, 3125, 3980, 4975, 5000, 6250, 7960, 9950, 12500, 15625, 19900, 24875, 25000, 31250, 39800, 49750, 62500, 99500, 124375, 125000, 199000, 248750, 497500, 621875, 995000, 1243750, 2487500, 3109375, 4975000, 6218750, 12437500, 24875000]

約数ペア:

[(1, 24875000), (2, 12437500), (4, 6218750), (5, 4975000), (8, 3109375), (10, 2487500), (20, 1243750), (25, 995000), (40, 621875), (50, 497500), (100, 248750), (125, 199000), (199, 125000), (200, 124375), (250, 99500), (398, 62500), (500, 49750), (625, 39800), (796, 31250), (995, 25000), (1000, 24875), (1250, 19900), (1592, 15625), (1990, 12500), (2500, 9950), (3125, 7960), (3980, 6250), (4975, 5000)]