80649872

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{15901}}^1$

素因数の和:16226

約数の個数: 20

約数和(自身を含む): 156761916

約数和(自身を除く): 76112044

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 15901, 31802, 63604, 127208, 254416, 5040617, 10081234, 20162468, 40324936, 80649872]

約数ペア:

[(1, 80649872), (2, 40324936), (4, 20162468), (8, 10081234), (16, 5040617), (317, 254416), (634, 127208), (1268, 63604), (2536, 31802), (5072, 15901)]