1328856400

素因数分解:

$2^4\times 5^2\times {\mathrm{3322141}}^1$

素因数の和:3322159

約数の個数: 30

約数和(自身を含む): 3192578462

約数和(自身を除く): 1863722062

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3322141, 6644282, 13288564, 16610705, 26577128, 33221410, 53154256, 66442820, 83053525, 132885640, 166107050, 265771280, 332214100, 664428200, 1328856400]

約数ペア:

[(1, 1328856400), (2, 664428200), (4, 332214100), (5, 265771280), (8, 166107050), (10, 132885640), (16, 83053525), (20, 66442820), (25, 53154256), (40, 33221410), (50, 26577128), (80, 16610705), (100, 13288564), (200, 6644282), (400, 3322141)]