129992120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25589}}^1$

素因数の和:25727

約数の個数: 32

約数和(自身を含む): 294796800

約数和(自身を除く): 164804680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 25589, 51178, 102356, 127945, 204712, 255890, 511780, 1023560, 3249803, 6499606, 12999212, 16249015, 25998424, 32498030, 64996060, 129992120]

約数ペア:

[(1, 129992120), (2, 64996060), (4, 32498030), (5, 25998424), (8, 16249015), (10, 12999212), (20, 6499606), (40, 3249803), (127, 1023560), (254, 511780), (508, 255890), (635, 204712), (1016, 127945), (1270, 102356), (2540, 51178), (5080, 25589)]