26498000

素因数分解:

$2^4\times 5^3\times {\mathrm{13249}}^1$

素因数の和:13272

約数の個数: 40

約数和(自身を含む): 64077000

約数和(自身を除く): 37579000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 13249, 26498, 52996, 66245, 105992, 132490, 211984, 264980, 331225, 529960, 662450, 1059920, 1324900, 1656125, 2649800, 3312250, 5299600, 6624500, 13249000, 26498000]

約数ペア:

[(1, 26498000), (2, 13249000), (4, 6624500), (5, 5299600), (8, 3312250), (10, 2649800), (16, 1656125), (20, 1324900), (25, 1059920), (40, 662450), (50, 529960), (80, 331225), (100, 264980), (125, 211984), (200, 132490), (250, 105992), (400, 66245), (500, 52996), (1000, 26498), (2000, 13249)]