1999804075

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{963761}}^1$

素因数の和:963854

約数の個数: 12

約数和(自身を含む): 2509636248

約数和(自身を除く): 509832173

約数列:

[1, 5, 25, 83, 415, 2075, 963761, 4818805, 24094025, 79992163, 399960815, 1999804075]

約数ペア:

[(1, 1999804075), (5, 399960815), (25, 79992163), (83, 24094025), (415, 4818805), (2075, 963761)]