200123555

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1\times {\mathrm{881}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 242712288

約数和(自身を除く): 42588733

約数列:

[1, 5, 181, 251, 881, 905, 1255, 4405, 45431, 159461, 221131, 227155, 797305, 1105655, 40024711, 200123555]

約数ペア:

[(1, 200123555), (5, 40024711), (181, 1105655), (251, 797305), (881, 227155), (905, 221131), (1255, 159461), (4405, 45431)]