4540400

素因数分解:

$2^4\times 5^2\times {\mathrm{11351}}^1$

素因数の和:11369

約数の個数: 30

約数和(自身を含む): 10909272

約数和(自身を除く): 6368872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 11351, 22702, 45404, 56755, 90808, 113510, 181616, 227020, 283775, 454040, 567550, 908080, 1135100, 2270200, 4540400]

約数ペア:

[(1, 4540400), (2, 2270200), (4, 1135100), (5, 908080), (8, 567550), (10, 454040), (16, 283775), (20, 227020), (25, 181616), (40, 113510), (50, 90808), (80, 56755), (100, 45404), (200, 22702), (400, 11351)]