81934220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1759}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 183617280

約数和(自身を除く): 101683060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 685, 1370, 1759, 2329, 2740, 3518, 4658, 7036, 8795, 9316, 11645, 17590, 23290, 29903, 35180, 46580, 59806, 119612, 149515, 240983, 299030, 481966, 598060, 963932, 1204915, 2409830, 4096711, 4819660, 8193422, 16386844, 20483555, 40967110, 81934220]

約数ペア:

[(1, 81934220), (2, 40967110), (4, 20483555), (5, 16386844), (10, 8193422), (17, 4819660), (20, 4096711), (34, 2409830), (68, 1204915), (85, 963932), (137, 598060), (170, 481966), (274, 299030), (340, 240983), (548, 149515), (685, 119612), (1370, 59806), (1759, 46580), (2329, 35180), (2740, 29903), (3518, 23290), (4658, 17590), (7036, 11645), (8795, 9316)]