2017280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{197}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 4864860

約数和(自身を除く): 2847580

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, 5120, 6304, 7880, 10240, 12608, 15760, 25216, 31520, 50432, 63040, 100864, 126080, 201728, 252160, 403456, 504320, 1008640, 2017280]

約数ペア:

[(1, 2017280), (2, 1008640), (4, 504320), (5, 403456), (8, 252160), (10, 201728), (16, 126080), (20, 100864), (32, 63040), (40, 50432), (64, 31520), (80, 25216), (128, 15760), (160, 12608), (197, 10240), (256, 7880), (320, 6304), (394, 5120), (512, 3940), (640, 3152), (788, 2560), (985, 2048), (1024, 1970), (1280, 1576)]