5260000

素因数分解:

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

素因数の和:293

約数の個数: 60

約数和(自身を含む): 12989592

約数和(自身を除く): 7729592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 263, 400, 500, 526, 625, 800, 1000, 1052, 1250, 1315, 2000, 2104, 2500, 2630, 4000, 4208, 5000, 5260, 6575, 8416, 10000, 10520, 13150, 20000, 21040, 26300, 32875, 42080, 52600, 65750, 105200, 131500, 164375, 210400, 263000, 328750, 526000, 657500, 1052000, 1315000, 2630000, 5260000]

約数ペア:

[(1, 5260000), (2, 2630000), (4, 1315000), (5, 1052000), (8, 657500), (10, 526000), (16, 328750), (20, 263000), (25, 210400), (32, 164375), (40, 131500), (50, 105200), (80, 65750), (100, 52600), (125, 42080), (160, 32875), (200, 26300), (250, 21040), (263, 20000), (400, 13150), (500, 10520), (526, 10000), (625, 8416), (800, 6575), (1000, 5260), (1052, 5000), (1250, 4208), (1315, 4000), (2000, 2630), (2104, 2500)]