40267448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{387187}}^1$

素因数の和:387206

約数の個数: 16

約数和(自身を含む): 81309480

約数和(自身を除く): 41042032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 387187, 774374, 1548748, 3097496, 5033431, 10066862, 20133724, 40267448]

約数ペア:

[(1, 40267448), (2, 20133724), (4, 10066862), (8, 5033431), (13, 3097496), (26, 1548748), (52, 774374), (104, 387187)]