201605840

素因数分解:

$2^4\times 5^1\times {\mathrm{2520073}}^1$

素因数の和:2520086

約数の個数: 20

約数和(自身を含む): 468733764

約数和(自身を除く): 267127924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520073, 5040146, 10080292, 12600365, 20160584, 25200730, 40321168, 50401460, 100802920, 201605840]

約数ペア:

[(1, 201605840), (2, 100802920), (4, 50401460), (5, 40321168), (8, 25200730), (10, 20160584), (16, 12600365), (20, 10080292), (40, 5040146), (80, 2520073)]