40478230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311371}}^1$

素因数の和:311391

約数の個数: 16

約数和(自身を含む): 78465744

約数和(自身を除く): 37987514

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311371, 622742, 1556855, 3113710, 4047823, 8095646, 20239115, 40478230]

約数ペア:

[(1, 40478230), (2, 20239115), (5, 8095646), (10, 4047823), (13, 3113710), (26, 1556855), (65, 622742), (130, 311371)]