19740731036650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{384434879}}^1$

素因数の和:384434983

約数の個数: 48

約数和(自身を含む): 40042737100800

約数和(自身を除く): 20302006064150

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 790, 1027, 1975, 2054, 3950, 5135, 10270, 25675, 51350, 384434879, 768869758, 1922174395, 3844348790, 4997653427, 9610871975, 9995306854, 19221743950, 24988267135, 30370355441, 49976534270, 60740710882, 124941335675, 151851777205, 249882671350, 303703554410, 394814620733, 759258886025, 789629241466, 1518517772050, 1974073103665, 3948146207330, 9870365518325, 19740731036650]

約数ペア:

[(1, 19740731036650), (2, 9870365518325), (5, 3948146207330), (10, 1974073103665), (13, 1518517772050), (25, 789629241466), (26, 759258886025), (50, 394814620733), (65, 303703554410), (79, 249882671350), (130, 151851777205), (158, 124941335675), (325, 60740710882), (395, 49976534270), (650, 30370355441), (790, 24988267135), (1027, 19221743950), (1975, 9995306854), (2054, 9610871975), (3950, 4997653427), (5135, 3844348790), (10270, 1922174395), (25675, 768869758), (51350, 384434879)]