31656280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 78278400

約数和(自身を除く): 46622120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 1811, 2185, 3496, 3622, 4370, 7244, 8740, 9055, 14488, 17480, 18110, 34409, 36220, 41653, 68818, 72440, 83306, 137636, 166612, 172045, 208265, 275272, 333224, 344090, 416530, 688180, 791407, 833060, 1376360, 1582814, 1666120, 3165628, 3957035, 6331256, 7914070, 15828140, 31656280]

約数ペア:

[(1, 31656280), (2, 15828140), (4, 7914070), (5, 6331256), (8, 3957035), (10, 3165628), (19, 1666120), (20, 1582814), (23, 1376360), (38, 833060), (40, 791407), (46, 688180), (76, 416530), (92, 344090), (95, 333224), (115, 275272), (152, 208265), (184, 172045), (190, 166612), (230, 137636), (380, 83306), (437, 72440), (460, 68818), (760, 41653), (874, 36220), (920, 34409), (1748, 18110), (1811, 17480), (2185, 14488), (3496, 9055), (3622, 8740), (4370, 7244)]