66065920

素因数分解:

$2^9\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 80

約数和(自身を含む): 160422768

約数和(自身を除く): 94356848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 197, 256, 262, 320, 394, 512, 524, 640, 655, 788, 985, 1048, 1280, 1310, 1576, 1970, 2096, 2560, 2620, 3152, 3940, 4192, 5240, 6304, 7880, 8384, 10480, 12608, 15760, 16768, 20960, 25216, 25807, 31520, 33536, 41920, 50432, 51614, 63040, 67072, 83840, 100864, 103228, 126080, 129035, 167680, 206456, 252160, 258070, 335360, 412912, 504320, 516140, 825824, 1032280, 1651648, 2064560, 3303296, 4129120, 6606592, 8258240, 13213184, 16516480, 33032960, 66065920]

約数ペア:

[(1, 66065920), (2, 33032960), (4, 16516480), (5, 13213184), (8, 8258240), (10, 6606592), (16, 4129120), (20, 3303296), (32, 2064560), (40, 1651648), (64, 1032280), (80, 825824), (128, 516140), (131, 504320), (160, 412912), (197, 335360), (256, 258070), (262, 252160), (320, 206456), (394, 167680), (512, 129035), (524, 126080), (640, 103228), (655, 100864), (788, 83840), (985, 67072), (1048, 63040), (1280, 51614), (1310, 50432), (1576, 41920), (1970, 33536), (2096, 31520), (2560, 25807), (2620, 25216), (3152, 20960), (3940, 16768), (4192, 15760), (5240, 12608), (6304, 10480), (7880, 8384)]