2116799120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1392631}}^1$

素因数の和:1392663

約数の個数: 40

約数和(自身を含む): 5180591040

約数和(自身を除く): 3063791920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1392631, 2785262, 5570524, 6963155, 11141048, 13926310, 22282096, 26459989, 27852620, 52919978, 55705240, 105839956, 111410480, 132299945, 211679912, 264599890, 423359824, 529199780, 1058399560, 2116799120]

約数ペア:

[(1, 2116799120), (2, 1058399560), (4, 529199780), (5, 423359824), (8, 264599890), (10, 211679912), (16, 132299945), (19, 111410480), (20, 105839956), (38, 55705240), (40, 52919978), (76, 27852620), (80, 26459989), (95, 22282096), (152, 13926310), (190, 11141048), (304, 6963155), (380, 5570524), (760, 2785262), (1520, 1392631)]