81412540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{370057}}^1$

素因数の和:370077

約数の個数: 24

約数和(自身を含む): 186509232

約数和(自身を除く): 105096692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 370057, 740114, 1480228, 1850285, 3700570, 4070627, 7401140, 8141254, 16282508, 20353135, 40706270, 81412540]

約数ペア:

[(1, 81412540), (2, 40706270), (4, 20353135), (5, 16282508), (10, 8141254), (11, 7401140), (20, 4070627), (22, 3700570), (44, 1850285), (55, 1480228), (110, 740114), (220, 370057)]