13579340

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{827}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 28585872

約数和(自身を除く): 15006532

約数列:

[1, 2, 4, 5, 10, 20, 821, 827, 1642, 1654, 3284, 3308, 4105, 4135, 8210, 8270, 16420, 16540, 678967, 1357934, 2715868, 3394835, 6789670, 13579340]

約数ペア:

[(1, 13579340), (2, 6789670), (4, 3394835), (5, 2715868), (10, 1357934), (20, 678967), (821, 16540), (827, 16420), (1642, 8270), (1654, 8210), (3284, 4135), (3308, 4105)]