40454840

素因数分解:

$2^3\times 5^1\times {\mathrm{1011371}}^1$

素因数の和:1011382

約数の個数: 16

約数和(自身を含む): 91023480

約数和(自身を除く): 50568640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1011371, 2022742, 4045484, 5056855, 8090968, 10113710, 20227420, 40454840]

約数ペア:

[(1, 40454840), (2, 20227420), (4, 10113710), (5, 8090968), (8, 5056855), (10, 4045484), (20, 2022742), (40, 1011371)]