38447140

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1721}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 80858232

約数和(自身を除く): 42411092

約数列:

[1, 2, 4, 5, 10, 20, 1117, 1721, 2234, 3442, 4468, 5585, 6884, 8605, 11170, 17210, 22340, 34420, 1922357, 3844714, 7689428, 9611785, 19223570, 38447140]

約数ペア:

[(1, 38447140), (2, 19223570), (4, 9611785), (5, 7689428), (10, 3844714), (20, 1922357), (1117, 34420), (1721, 22340), (2234, 17210), (3442, 11170), (4468, 8605), (5585, 6884)]