4207540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2663}}^1$

素因数の和:2751

約数の個数: 24

約数和(自身を含む): 8951040

約数和(自身を除く): 4743500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2663, 5326, 10652, 13315, 26630, 53260, 210377, 420754, 841508, 1051885, 2103770, 4207540]

約数ペア:

[(1, 4207540), (2, 2103770), (4, 1051885), (5, 841508), (10, 420754), (20, 210377), (79, 53260), (158, 26630), (316, 13315), (395, 10652), (790, 5326), (1580, 2663)]