51168140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 113725920

約数和(自身を除く): 62557780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 373, 380, 722, 746, 1444, 1492, 1805, 1865, 3610, 3730, 6859, 7087, 7220, 7460, 13718, 14174, 27436, 28348, 34295, 35435, 68590, 70870, 134653, 137180, 141740, 269306, 538612, 673265, 1346530, 2558407, 2693060, 5116814, 10233628, 12792035, 25584070, 51168140]

約数ペア:

[(1, 51168140), (2, 25584070), (4, 12792035), (5, 10233628), (10, 5116814), (19, 2693060), (20, 2558407), (38, 1346530), (76, 673265), (95, 538612), (190, 269306), (361, 141740), (373, 137180), (380, 134653), (722, 70870), (746, 68590), (1444, 35435), (1492, 34295), (1805, 28348), (1865, 27436), (3610, 14174), (3730, 13718), (6859, 7460), (7087, 7220)]