138130400

素因数分解:

$2^5\times 5^2\times {\mathrm{172663}}^1$

素因数の和:172683

約数の個数: 36

約数和(自身を含む): 337212792

約数和(自身を除く): 199082392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 172663, 345326, 690652, 863315, 1381304, 1726630, 2762608, 3453260, 4316575, 5525216, 6906520, 8633150, 13813040, 17266300, 27626080, 34532600, 69065200, 138130400]

約数ペア:

[(1, 138130400), (2, 69065200), (4, 34532600), (5, 27626080), (8, 17266300), (10, 13813040), (16, 8633150), (20, 6906520), (25, 5525216), (32, 4316575), (40, 3453260), (50, 2762608), (80, 1726630), (100, 1381304), (160, 863315), (200, 690652), (400, 345326), (800, 172663)]