31850960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 77780736

約数和(自身を除く): 45929776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 197, 215, 235, 344, 376, 394, 430, 470, 688, 752, 788, 860, 940, 985, 1576, 1720, 1880, 1970, 2021, 3152, 3440, 3760, 3940, 4042, 7880, 8084, 8471, 9259, 10105, 15760, 16168, 16942, 18518, 20210, 32336, 33884, 37036, 40420, 42355, 46295, 67768, 74072, 80840, 84710, 92590, 135536, 148144, 161680, 169420, 185180, 338840, 370360, 398137, 677680, 740720, 796274, 1592548, 1990685, 3185096, 3981370, 6370192, 7962740, 15925480, 31850960]

約数ペア:

[(1, 31850960), (2, 15925480), (4, 7962740), (5, 6370192), (8, 3981370), (10, 3185096), (16, 1990685), (20, 1592548), (40, 796274), (43, 740720), (47, 677680), (80, 398137), (86, 370360), (94, 338840), (172, 185180), (188, 169420), (197, 161680), (215, 148144), (235, 135536), (344, 92590), (376, 84710), (394, 80840), (430, 74072), (470, 67768), (688, 46295), (752, 42355), (788, 40420), (860, 37036), (940, 33884), (985, 32336), (1576, 20210), (1720, 18518), (1880, 16942), (1970, 16168), (2021, 15760), (3152, 10105), (3440, 9259), (3760, 8471), (3940, 8084), (4042, 7880)]