1315000

素因数分解:

$2^3\times 5^4\times {\mathrm{263}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 3092760

約数和(自身を除く): 1777760

約数列:

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

約数ペア:

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