2018771680

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{99349}}^1$

素因数の和:99491

約数の個数: 48

約数和(自身を含む): 4806950400

約数和(自身を除く): 2788178720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 99349, 198698, 397396, 496745, 794792, 993490, 1589584, 1986980, 3179168, 3973960, 7947920, 12617323, 15895840, 25234646, 50469292, 63086615, 100938584, 126173230, 201877168, 252346460, 403754336, 504692920, 1009385840, 2018771680]

約数ペア:

[(1, 2018771680), (2, 1009385840), (4, 504692920), (5, 403754336), (8, 252346460), (10, 201877168), (16, 126173230), (20, 100938584), (32, 63086615), (40, 50469292), (80, 25234646), (127, 15895840), (160, 12617323), (254, 7947920), (508, 3973960), (635, 3179168), (1016, 1986980), (1270, 1589584), (2032, 993490), (2540, 794792), (4064, 496745), (5080, 397396), (10160, 198698), (20320, 99349)]