8362840

素因数分解:

$2^3\times 5^1\times {\mathrm{209071}}^1$

素因数の和:209082

約数の個数: 16

約数和(自身を含む): 18816480

約数和(自身を除く): 10453640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 209071, 418142, 836284, 1045355, 1672568, 2090710, 4181420, 8362840]

約数ペア:

[(1, 8362840), (2, 4181420), (4, 2090710), (5, 1672568), (8, 1045355), (10, 836284), (20, 418142), (40, 209071)]