10171781420

素因数分解:

$2^2\times 5^1\times {\mathrm{508589071}}^1$

素因数の和:508589080

約数の個数: 12

約数和(自身を含む): 21360741024

約数和(自身を除く): 11188959604

約数列:

[1, 2, 4, 5, 10, 20, 508589071, 1017178142, 2034356284, 2542945355, 5085890710, 10171781420]

約数ペア:

[(1, 10171781420), (2, 5085890710), (4, 2542945355), (5, 2034356284), (10, 1017178142), (20, 508589071)]