23143280

素因数分解:

$2^4\times 5^1\times {\mathrm{289291}}^1$

素因数の和:289304

約数の個数: 20

約数和(自身を含む): 53808312

約数和(自身を除く): 30665032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 289291, 578582, 1157164, 1446455, 2314328, 2892910, 4628656, 5785820, 11571640, 23143280]

約数ペア:

[(1, 23143280), (2, 11571640), (4, 5785820), (5, 4628656), (8, 2892910), (10, 2314328), (16, 1446455), (20, 1157164), (40, 578582), (80, 289291)]