78482840

素因数分解:

$2^3\times 5^1\times {\mathrm{1962071}}^1$

素因数の和:1962082

約数の個数: 16

約数和(自身を含む): 176586480

約数和(自身を除く): 98103640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1962071, 3924142, 7848284, 9810355, 15696568, 19620710, 39241420, 78482840]

約数ペア:

[(1, 78482840), (2, 39241420), (4, 19620710), (5, 15696568), (8, 9810355), (10, 7848284), (20, 3924142), (40, 1962071)]