39361280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 113025024

約数和(自身を除く): 73663744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 191, 224, 230, 256, 280, 320, 322, 368, 382, 448, 460, 560, 640, 644, 736, 764, 805, 896, 920, 955, 1120, 1280, 1288, 1337, 1472, 1528, 1610, 1792, 1840, 1910, 2240, 2576, 2674, 2944, 3056, 3220, 3680, 3820, 4393, 4480, 5152, 5348, 5888, 6112, 6440, 6685, 7360, 7640, 8786, 8960, 10304, 10696, 12224, 12880, 13370, 14720, 15280, 17572, 20608, 21392, 21965, 24448, 25760, 26740, 29440, 30560, 30751, 35144, 41216, 42784, 43930, 48896, 51520, 53480, 61120, 61502, 70288, 85568, 87860, 103040, 106960, 122240, 123004, 140576, 153755, 171136, 175720, 206080, 213920, 244480, 246008, 281152, 307510, 342272, 351440, 427840, 492016, 562304, 615020, 702880, 855680, 984032, 1124608, 1230040, 1405760, 1711360, 1968064, 2460080, 2811520, 3936128, 4920160, 5623040, 7872256, 9840320, 19680640, 39361280]

約数ペア:

[(1, 39361280), (2, 19680640), (4, 9840320), (5, 7872256), (7, 5623040), (8, 4920160), (10, 3936128), (14, 2811520), (16, 2460080), (20, 1968064), (23, 1711360), (28, 1405760), (32, 1230040), (35, 1124608), (40, 984032), (46, 855680), (56, 702880), (64, 615020), (70, 562304), (80, 492016), (92, 427840), (112, 351440), (115, 342272), (128, 307510), (140, 281152), (160, 246008), (161, 244480), (184, 213920), (191, 206080), (224, 175720), (230, 171136), (256, 153755), (280, 140576), (320, 123004), (322, 122240), (368, 106960), (382, 103040), (448, 87860), (460, 85568), (560, 70288), (640, 61502), (644, 61120), (736, 53480), (764, 51520), (805, 48896), (896, 43930), (920, 42784), (955, 41216), (1120, 35144), (1280, 30751), (1288, 30560), (1337, 29440), (1472, 26740), (1528, 25760), (1610, 24448), (1792, 21965), (1840, 21392), (1910, 20608), (2240, 17572), (2576, 15280), (2674, 14720), (2944, 13370), (3056, 12880), (3220, 12224), (3680, 10696), (3820, 10304), (4393, 8960), (4480, 8786), (5152, 7640), (5348, 7360), (5888, 6685), (6112, 6440)]