7996540

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 16847712

約数和(自身を除く): 8851172

約数列:

[1, 2, 4, 5, 10, 20, 487, 821, 974, 1642, 1948, 2435, 3284, 4105, 4870, 8210, 9740, 16420, 399827, 799654, 1599308, 1999135, 3998270, 7996540]

約数ペア:

[(1, 7996540), (2, 3998270), (4, 1999135), (5, 1599308), (10, 799654), (20, 399827), (487, 16420), (821, 9740), (974, 8210), (1642, 4870), (1948, 4105), (2435, 3284)]