2800512560

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{275641}}^1$

素因数の和:275781

約数の個数: 40

約数和(自身を含む): 6562484736

約数和(自身を除く): 3761972176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 275641, 551282, 1102564, 1378205, 2205128, 2756410, 4410256, 5512820, 11025640, 22051280, 35006407, 70012814, 140025628, 175032035, 280051256, 350064070, 560102512, 700128140, 1400256280, 2800512560]

約数ペア:

[(1, 2800512560), (2, 1400256280), (4, 700128140), (5, 560102512), (8, 350064070), (10, 280051256), (16, 175032035), (20, 140025628), (40, 70012814), (80, 35006407), (127, 22051280), (254, 11025640), (508, 5512820), (635, 4410256), (1016, 2756410), (1270, 2205128), (2032, 1378205), (2540, 1102564), (5080, 551282), (10160, 275641)]