2630000

素因数分解:

$2^4\times 5^4\times {\mathrm{263}}^1$

素因数の和:291

約数の個数: 50

約数和(自身を含む): 6391704

約数和(自身を除く): 3761704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 263, 400, 500, 526, 625, 1000, 1052, 1250, 1315, 2000, 2104, 2500, 2630, 4208, 5000, 5260, 6575, 10000, 10520, 13150, 21040, 26300, 32875, 52600, 65750, 105200, 131500, 164375, 263000, 328750, 526000, 657500, 1315000, 2630000]

約数ペア:

[(1, 2630000), (2, 1315000), (4, 657500), (5, 526000), (8, 328750), (10, 263000), (16, 164375), (20, 131500), (25, 105200), (40, 65750), (50, 52600), (80, 32875), (100, 26300), (125, 21040), (200, 13150), (250, 10520), (263, 10000), (400, 6575), (500, 5260), (526, 5000), (625, 4208), (1000, 2630), (1052, 2500), (1250, 2104), (1315, 2000)]