130540400

素因数分解:

$2^4\times 5^2\times {\mathrm{326351}}^1$

素因数の和:326369

約数の個数: 30

約数和(自身を含む): 313624272

約数和(自身を除く): 183083872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 326351, 652702, 1305404, 1631755, 2610808, 3263510, 5221616, 6527020, 8158775, 13054040, 16317550, 26108080, 32635100, 65270200, 130540400]

約数ペア:

[(1, 130540400), (2, 65270200), (4, 32635100), (5, 26108080), (8, 16317550), (10, 13054040), (16, 8158775), (20, 6527020), (25, 5221616), (40, 3263510), (50, 2610808), (80, 1631755), (100, 1305404), (200, 652702), (400, 326351)]