27490000

素因数分解:

$2^4\times 5^4\times {\mathrm{2749}}^1$

素因数の和:2777

約数の個数: 50

約数和(自身を含む): 66580250

約数和(自身を除く): 39090250

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 2749, 5000, 5498, 10000, 10996, 13745, 21992, 27490, 43984, 54980, 68725, 109960, 137450, 219920, 274900, 343625, 549800, 687250, 1099600, 1374500, 1718125, 2749000, 3436250, 5498000, 6872500, 13745000, 27490000]

約数ペア:

[(1, 27490000), (2, 13745000), (4, 6872500), (5, 5498000), (8, 3436250), (10, 2749000), (16, 1718125), (20, 1374500), (25, 1099600), (40, 687250), (50, 549800), (80, 343625), (100, 274900), (125, 219920), (200, 137450), (250, 109960), (400, 68725), (500, 54980), (625, 43984), (1000, 27490), (1250, 21992), (2000, 13745), (2500, 10996), (2749, 10000), (5000, 5498)]