12744400

素因数分解:

$2^4\times 5^2\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 60

約数和(自身を含む): 30967264

約数和(自身を除く): 18222864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 151, 200, 211, 302, 400, 422, 604, 755, 844, 1055, 1208, 1510, 1688, 2110, 2416, 3020, 3376, 3775, 4220, 5275, 6040, 7550, 8440, 10550, 12080, 15100, 16880, 21100, 30200, 31861, 42200, 60400, 63722, 84400, 127444, 159305, 254888, 318610, 509776, 637220, 796525, 1274440, 1593050, 2548880, 3186100, 6372200, 12744400]

約数ペア:

[(1, 12744400), (2, 6372200), (4, 3186100), (5, 2548880), (8, 1593050), (10, 1274440), (16, 796525), (20, 637220), (25, 509776), (40, 318610), (50, 254888), (80, 159305), (100, 127444), (151, 84400), (200, 63722), (211, 60400), (302, 42200), (400, 31861), (422, 30200), (604, 21100), (755, 16880), (844, 15100), (1055, 12080), (1208, 10550), (1510, 8440), (1688, 7550), (2110, 6040), (2416, 5275), (3020, 4220), (3376, 3775)]