38643920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 103588608

約数和(自身を除く): 64944688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 457, 560, 604, 755, 914, 1057, 1208, 1510, 1828, 2114, 2285, 2416, 3020, 3199, 3656, 4228, 4570, 5285, 6040, 6398, 7312, 8456, 9140, 10570, 12080, 12796, 15995, 16912, 18280, 21140, 25592, 31990, 36560, 42280, 51184, 63980, 69007, 84560, 127960, 138014, 255920, 276028, 345035, 483049, 552056, 690070, 966098, 1104112, 1380140, 1932196, 2415245, 2760280, 3864392, 4830490, 5520560, 7728784, 9660980, 19321960, 38643920]

約数ペア:

[(1, 38643920), (2, 19321960), (4, 9660980), (5, 7728784), (7, 5520560), (8, 4830490), (10, 3864392), (14, 2760280), (16, 2415245), (20, 1932196), (28, 1380140), (35, 1104112), (40, 966098), (56, 690070), (70, 552056), (80, 483049), (112, 345035), (140, 276028), (151, 255920), (280, 138014), (302, 127960), (457, 84560), (560, 69007), (604, 63980), (755, 51184), (914, 42280), (1057, 36560), (1208, 31990), (1510, 25592), (1828, 21140), (2114, 18280), (2285, 16912), (2416, 15995), (3020, 12796), (3199, 12080), (3656, 10570), (4228, 9140), (4570, 8456), (5285, 7312), (6040, 6398)]