80398004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{648371}}^1$

素因数の和:648406

約数の個数: 12

約数和(自身を含む): 145235328

約数和(自身を除く): 64837324

約数列:

[1, 2, 4, 31, 62, 124, 648371, 1296742, 2593484, 20099501, 40199002, 80398004]

約数ペア:

[(1, 80398004), (2, 40199002), (4, 20099501), (31, 2593484), (62, 1296742), (124, 648371)]