42485680

素因数分解:

$2^4\times 5^1\times {\mathrm{531071}}^1$

素因数の和:531084

約数の個数: 20

約数和(自身を含む): 98779392

約数和(自身を除く): 56293712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 531071, 1062142, 2124284, 2655355, 4248568, 5310710, 8497136, 10621420, 21242840, 42485680]

約数ペア:

[(1, 42485680), (2, 21242840), (4, 10621420), (5, 8497136), (8, 5310710), (10, 4248568), (16, 2655355), (20, 2124284), (40, 1062142), (80, 531071)]