64665860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3637}}^1$

素因数の和:3780

約数の個数: 48

約数和(自身を含む): 156463104

約数和(自身を除く): 91797244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 3637, 4445, 7274, 8890, 14548, 17780, 18185, 25459, 36370, 50918, 72740, 101836, 127295, 254590, 461899, 509180, 923798, 1847596, 2309495, 3233293, 4618990, 6466586, 9237980, 12933172, 16166465, 32332930, 64665860]

約数ペア:

[(1, 64665860), (2, 32332930), (4, 16166465), (5, 12933172), (7, 9237980), (10, 6466586), (14, 4618990), (20, 3233293), (28, 2309495), (35, 1847596), (70, 923798), (127, 509180), (140, 461899), (254, 254590), (508, 127295), (635, 101836), (889, 72740), (1270, 50918), (1778, 36370), (2540, 25459), (3556, 18185), (3637, 17780), (4445, 14548), (7274, 8890)]