26720260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 42468860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 103, 109, 119, 140, 170, 206, 218, 238, 340, 412, 436, 476, 515, 545, 595, 721, 763, 1030, 1090, 1190, 1442, 1526, 1751, 1853, 2060, 2180, 2380, 2884, 3052, 3502, 3605, 3706, 3815, 7004, 7210, 7412, 7630, 8755, 9265, 11227, 12257, 12971, 14420, 15260, 17510, 18530, 22454, 24514, 25942, 35020, 37060, 44908, 49028, 51884, 56135, 61285, 64855, 78589, 112270, 122570, 129710, 157178, 190859, 224540, 245140, 259420, 314356, 381718, 392945, 763436, 785890, 954295, 1336013, 1571780, 1908590, 2672026, 3817180, 5344052, 6680065, 13360130, 26720260]

約数ペア:

[(1, 26720260), (2, 13360130), (4, 6680065), (5, 5344052), (7, 3817180), (10, 2672026), (14, 1908590), (17, 1571780), (20, 1336013), (28, 954295), (34, 785890), (35, 763436), (68, 392945), (70, 381718), (85, 314356), (103, 259420), (109, 245140), (119, 224540), (140, 190859), (170, 157178), (206, 129710), (218, 122570), (238, 112270), (340, 78589), (412, 64855), (436, 61285), (476, 56135), (515, 51884), (545, 49028), (595, 44908), (721, 37060), (763, 35020), (1030, 25942), (1090, 24514), (1190, 22454), (1442, 18530), (1526, 17510), (1751, 15260), (1853, 14420), (2060, 12971), (2180, 12257), (2380, 11227), (2884, 9265), (3052, 8755), (3502, 7630), (3605, 7412), (3706, 7210), (3815, 7004)]