81030680

素因数分解:

$2^3\times 5^1\times {\mathrm{2025767}}^1$

素因数の和:2025778

約数の個数: 16

約数和(自身を含む): 182319120

約数和(自身を除く): 101288440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2025767, 4051534, 8103068, 10128835, 16206136, 20257670, 40515340, 81030680]

約数ペア:

[(1, 81030680), (2, 40515340), (4, 20257670), (5, 16206136), (8, 10128835), (10, 8103068), (20, 4051534), (40, 2025767)]