861560800

素因数分解:

$2^5\times 5^2\times {\mathrm{131}}^1\times {\mathrm{8221}}^1$

素因数の和:8372

約数の個数: 72

約数和(自身を含む): 2119598712

約数和(自身を除く): 1258037912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 131, 160, 200, 262, 400, 524, 655, 800, 1048, 1310, 2096, 2620, 3275, 4192, 5240, 6550, 8221, 10480, 13100, 16442, 20960, 26200, 32884, 41105, 52400, 65768, 82210, 104800, 131536, 164420, 205525, 263072, 328840, 411050, 657680, 822100, 1076951, 1315360, 1644200, 2153902, 3288400, 4307804, 5384755, 6576800, 8615608, 10769510, 17231216, 21539020, 26923775, 34462432, 43078040, 53847550, 86156080, 107695100, 172312160, 215390200, 430780400, 861560800]

約数ペア:

[(1, 861560800), (2, 430780400), (4, 215390200), (5, 172312160), (8, 107695100), (10, 86156080), (16, 53847550), (20, 43078040), (25, 34462432), (32, 26923775), (40, 21539020), (50, 17231216), (80, 10769510), (100, 8615608), (131, 6576800), (160, 5384755), (200, 4307804), (262, 3288400), (400, 2153902), (524, 1644200), (655, 1315360), (800, 1076951), (1048, 822100), (1310, 657680), (2096, 411050), (2620, 328840), (3275, 263072), (4192, 205525), (5240, 164420), (6550, 131536), (8221, 104800), (10480, 82210), (13100, 65768), (16442, 52400), (20960, 41105), (26200, 32884)]