2912139040

素因数分解:

$2^5\times 5^1\times {\mathrm{911}}^1\times {\mathrm{19979}}^1$

素因数の和:20905

約数の個数: 48

約数和(自身を含む): 6887825280

約数和(自身を除く): 3975686240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 911, 1822, 3644, 4555, 7288, 9110, 14576, 18220, 19979, 29152, 36440, 39958, 72880, 79916, 99895, 145760, 159832, 199790, 319664, 399580, 639328, 799160, 1598320, 3196640, 18200869, 36401738, 72803476, 91004345, 145606952, 182008690, 291213904, 364017380, 582427808, 728034760, 1456069520, 2912139040]

約数ペア:

[(1, 2912139040), (2, 1456069520), (4, 728034760), (5, 582427808), (8, 364017380), (10, 291213904), (16, 182008690), (20, 145606952), (32, 91004345), (40, 72803476), (80, 36401738), (160, 18200869), (911, 3196640), (1822, 1598320), (3644, 799160), (4555, 639328), (7288, 399580), (9110, 319664), (14576, 199790), (18220, 159832), (19979, 145760), (29152, 99895), (36440, 79916), (39958, 72880)]