2640492040

素因数分解:

$2^3\times 5^1\times {\mathrm{66012301}}^1$

素因数の和:66012312

約数の個数: 16

約数和(自身を含む): 5941107180

約数和(自身を除く): 3300615140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66012301, 132024602, 264049204, 330061505, 528098408, 660123010, 1320246020, 2640492040]

約数ペア:

[(1, 2640492040), (2, 1320246020), (4, 660123010), (5, 528098408), (8, 330061505), (10, 264049204), (20, 132024602), (40, 66012301)]