40004104

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 90288000

約数和(自身を除く): 50283896

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 43, 56, 74, 86, 148, 172, 259, 296, 301, 344, 449, 518, 602, 898, 1036, 1204, 1591, 1796, 2072, 2408, 3143, 3182, 3592, 6286, 6364, 11137, 12572, 12728, 16613, 19307, 22274, 25144, 33226, 38614, 44548, 66452, 77228, 89096, 116291, 132904, 135149, 154456, 232582, 270298, 465164, 540596, 714359, 930328, 1081192, 1428718, 2857436, 5000513, 5714872, 10001026, 20002052, 40004104]

約数ペア:

[(1, 40004104), (2, 20002052), (4, 10001026), (7, 5714872), (8, 5000513), (14, 2857436), (28, 1428718), (37, 1081192), (43, 930328), (56, 714359), (74, 540596), (86, 465164), (148, 270298), (172, 232582), (259, 154456), (296, 135149), (301, 132904), (344, 116291), (449, 89096), (518, 77228), (602, 66452), (898, 44548), (1036, 38614), (1204, 33226), (1591, 25144), (1796, 22274), (2072, 19307), (2408, 16613), (3143, 12728), (3182, 12572), (3592, 11137), (6286, 6364)]