1720221275

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{32503}}^1$

素因数の和:32615

約数の個数: 24

約数和(自身を含む): 2236925280

約数和(自身を除く): 516704005

約数列:

[1, 5, 25, 29, 73, 145, 365, 725, 1825, 2117, 10585, 32503, 52925, 162515, 812575, 942587, 2372719, 4712935, 11863595, 23564675, 59317975, 68808851, 344044255, 1720221275]

約数ペア:

[(1, 1720221275), (5, 344044255), (25, 68808851), (29, 59317975), (73, 23564675), (145, 11863595), (365, 4712935), (725, 2372719), (1825, 942587), (2117, 812575), (10585, 162515), (32503, 52925)]