64552960

素因数分解:

$2^{16}\times 5^1\times {\mathrm{197}}^1$

素因数の和:234

約数の個数: 68

約数和(自身を含む): 155712348

約数和(自身を除く): 91159388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 320, 394, 512, 640, 788, 985, 1024, 1280, 1576, 1970, 2048, 2560, 3152, 3940, 4096, 5120, 6304, 7880, 8192, 10240, 12608, 15760, 16384, 20480, 25216, 31520, 32768, 40960, 50432, 63040, 65536, 81920, 100864, 126080, 163840, 201728, 252160, 327680, 403456, 504320, 806912, 1008640, 1613824, 2017280, 3227648, 4034560, 6455296, 8069120, 12910592, 16138240, 32276480, 64552960]

約数ペア:

[(1, 64552960), (2, 32276480), (4, 16138240), (5, 12910592), (8, 8069120), (10, 6455296), (16, 4034560), (20, 3227648), (32, 2017280), (40, 1613824), (64, 1008640), (80, 806912), (128, 504320), (160, 403456), (197, 327680), (256, 252160), (320, 201728), (394, 163840), (512, 126080), (640, 100864), (788, 81920), (985, 65536), (1024, 63040), (1280, 50432), (1576, 40960), (1970, 32768), (2048, 31520), (2560, 25216), (3152, 20480), (3940, 16384), (4096, 15760), (5120, 12608), (6304, 10240), (7880, 8192)]