38760040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 95981760

約数和(自身を除く): 57221720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 548, 643, 685, 1096, 1286, 1370, 1507, 2572, 2740, 3014, 3215, 5144, 5480, 6028, 6430, 7073, 7535, 12056, 12860, 14146, 15070, 25720, 28292, 30140, 35365, 56584, 60280, 70730, 88091, 141460, 176182, 282920, 352364, 440455, 704728, 880910, 969001, 1761820, 1938002, 3523640, 3876004, 4845005, 7752008, 9690010, 19380020, 38760040]

約数ペア:

[(1, 38760040), (2, 19380020), (4, 9690010), (5, 7752008), (8, 4845005), (10, 3876004), (11, 3523640), (20, 1938002), (22, 1761820), (40, 969001), (44, 880910), (55, 704728), (88, 440455), (110, 352364), (137, 282920), (220, 176182), (274, 141460), (440, 88091), (548, 70730), (643, 60280), (685, 56584), (1096, 35365), (1286, 30140), (1370, 28292), (1507, 25720), (2572, 15070), (2740, 14146), (3014, 12860), (3215, 12056), (5144, 7535), (5480, 7073), (6028, 6430)]