1640185825

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{790451}}^1$

素因数の和:790544

約数の個数: 12

約数和(自身を含む): 2058337008

約数和(自身を除く): 418151183

約数列:

[1, 5, 25, 83, 415, 2075, 790451, 3952255, 19761275, 65607433, 328037165, 1640185825]

約数ペア:

[(1, 1640185825), (5, 328037165), (25, 65607433), (83, 19761275), (415, 3952255), (2075, 790451)]