54289820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208807}}^1$

素因数の和:208829

約数の個数: 24

約数和(自身を含む): 122779104

約数和(自身を除く): 68489284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 208807, 417614, 835228, 1044035, 2088070, 2714491, 4176140, 5428982, 10857964, 13572455, 27144910, 54289820]

約数ペア:

[(1, 54289820), (2, 27144910), (4, 13572455), (5, 10857964), (10, 5428982), (13, 4176140), (20, 2714491), (26, 2088070), (52, 1044035), (65, 835228), (130, 417614), (260, 208807)]