4266640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 11963520

約数和(自身を除く): 7696880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 401, 532, 560, 665, 760, 802, 1064, 1330, 1520, 1604, 2005, 2128, 2660, 2807, 3208, 4010, 5320, 5614, 6416, 7619, 8020, 10640, 11228, 14035, 15238, 16040, 22456, 28070, 30476, 32080, 38095, 44912, 53333, 56140, 60952, 76190, 106666, 112280, 121904, 152380, 213332, 224560, 266665, 304760, 426664, 533330, 609520, 853328, 1066660, 2133320, 4266640]

約数ペア:

[(1, 4266640), (2, 2133320), (4, 1066660), (5, 853328), (7, 609520), (8, 533330), (10, 426664), (14, 304760), (16, 266665), (19, 224560), (20, 213332), (28, 152380), (35, 121904), (38, 112280), (40, 106666), (56, 76190), (70, 60952), (76, 56140), (80, 53333), (95, 44912), (112, 38095), (133, 32080), (140, 30476), (152, 28070), (190, 22456), (266, 16040), (280, 15238), (304, 14035), (380, 11228), (401, 10640), (532, 8020), (560, 7619), (665, 6416), (760, 5614), (802, 5320), (1064, 4010), (1330, 3208), (1520, 2807), (1604, 2660), (2005, 2128)]