159242840

素因数分解:

$2^3\times 5^1\times {\mathrm{3981071}}^1$

素因数の和:3981082

約数の個数: 16

約数和(自身を含む): 358296480

約数和(自身を除く): 199053640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3981071, 7962142, 15924284, 19905355, 31848568, 39810710, 79621420, 159242840]

約数ペア:

[(1, 159242840), (2, 79621420), (4, 39810710), (5, 31848568), (8, 19905355), (10, 15924284), (20, 7962142), (40, 3981071)]