2051216830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199729}}^1$

素因数の和:199828

約数の個数: 32

約数和(自身を含む): 4026556800

約数和(自身を除く): 1975339970

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 199729, 399458, 998645, 1997290, 2596477, 5192954, 12982385, 15778591, 25964770, 31557182, 78892955, 157785910, 205121683, 410243366, 1025608415, 2051216830]

約数ペア:

[(1, 2051216830), (2, 1025608415), (5, 410243366), (10, 205121683), (13, 157785910), (26, 78892955), (65, 31557182), (79, 25964770), (130, 15778591), (158, 12982385), (395, 5192954), (790, 2596477), (1027, 1997290), (2054, 998645), (5135, 399458), (10270, 199729)]