38447920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1058

約数の個数: 80

約数和(自身を含む): 103707648

約数和(自身を除く): 65259728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 967, 994, 1136, 1420, 1934, 1988, 2485, 2840, 3868, 3976, 4835, 4970, 5680, 6769, 7736, 7952, 9670, 9940, 13538, 15472, 19340, 19880, 27076, 33845, 38680, 39760, 54152, 67690, 68657, 77360, 108304, 135380, 137314, 270760, 274628, 343285, 480599, 541520, 549256, 686570, 961198, 1098512, 1373140, 1922396, 2402995, 2746280, 3844792, 4805990, 5492560, 7689584, 9611980, 19223960, 38447920]

約数ペア:

[(1, 38447920), (2, 19223960), (4, 9611980), (5, 7689584), (7, 5492560), (8, 4805990), (10, 3844792), (14, 2746280), (16, 2402995), (20, 1922396), (28, 1373140), (35, 1098512), (40, 961198), (56, 686570), (70, 549256), (71, 541520), (80, 480599), (112, 343285), (140, 274628), (142, 270760), (280, 137314), (284, 135380), (355, 108304), (497, 77360), (560, 68657), (568, 67690), (710, 54152), (967, 39760), (994, 38680), (1136, 33845), (1420, 27076), (1934, 19880), (1988, 19340), (2485, 15472), (2840, 13538), (3868, 9940), (3976, 9670), (4835, 7952), (4970, 7736), (5680, 6769)]