2016393640

素因数分解:

$2^3\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{23857}}^1$

素因数の和:25981

約数の個数: 32

約数和(自身を含む): 4539223080

約数和(自身を除く): 2522829440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2113, 4226, 8452, 10565, 16904, 21130, 23857, 42260, 47714, 84520, 95428, 119285, 190856, 238570, 477140, 954280, 50409841, 100819682, 201639364, 252049205, 403278728, 504098410, 1008196820, 2016393640]

約数ペア:

[(1, 2016393640), (2, 1008196820), (4, 504098410), (5, 403278728), (8, 252049205), (10, 201639364), (20, 100819682), (40, 50409841), (2113, 954280), (4226, 477140), (8452, 238570), (10565, 190856), (16904, 119285), (21130, 95428), (23857, 84520), (42260, 47714)]