87974123.000000000

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 325907712

約数和(自身を除く): 203805872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 337, 560, 647, 674, 1294, 1348, 1685, 2359, 2588, 2696, 3235, 3370, 4529, 4718, 5176, 5392, 6470, 6740, 9058, 9436, 10352, 11795, 12940, 13480, 18116, 18872, 22645, 23590, 25880, 26960, 36232, 37744, 45290, 47180, 51760, 72464, 90580, 94360, 181160, 188720, 218039, 362320, 436078, 872156, 1090195, 1526273, 1744312, 2180390, 3052546, 3488624, 4360780, 6105092, 7631365, 8721560, 12210184, 15262730, 17443120, 24420368, 30525460, 61050920, 122101840]

約数ペア:

[(1, 122101840), (2, 61050920), (4, 30525460), (5, 24420368), (7, 17443120), (8, 15262730), (10, 12210184), (14, 8721560), (16, 7631365), (20, 6105092), (28, 4360780), (35, 3488624), (40, 3052546), (56, 2180390), (70, 1744312), (80, 1526273), (112, 1090195), (140, 872156), (280, 436078), (337, 362320), (560, 218039), (647, 188720), (674, 181160), (1294, 94360), (1348, 90580), (1685, 72464), (2359, 51760), (2588, 47180), (2696, 45290), (3235, 37744), (3370, 36232), (4529, 26960), (4718, 25880), (5176, 23590), (5392, 22645), (6470, 18872), (6740, 18116), (9058, 13480), (9436, 12940), (10352, 11795)]