2556040

素因数分解:

$2^3\times 5^1\times {\mathrm{63901}}^1$

素因数の和:63912

約数の個数: 16

約数和(自身を含む): 5751180

約数和(自身を除く): 3195140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 63901, 127802, 255604, 319505, 511208, 639010, 1278020, 2556040]

約数ペア:

[(1, 2556040), (2, 1278020), (4, 639010), (5, 511208), (8, 319505), (10, 255604), (20, 127802), (40, 63901)]