80691200

素因数分解:

$2^{14}\times 5^2\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 90

約数和(自身を含む): 201123846

約数和(自身を除く): 120432646

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 197, 200, 256, 320, 394, 400, 512, 640, 788, 800, 985, 1024, 1280, 1576, 1600, 1970, 2048, 2560, 3152, 3200, 3940, 4096, 4925, 5120, 6304, 6400, 7880, 8192, 9850, 10240, 12608, 12800, 15760, 16384, 19700, 20480, 25216, 25600, 31520, 39400, 40960, 50432, 51200, 63040, 78800, 81920, 100864, 102400, 126080, 157600, 201728, 204800, 252160, 315200, 403456, 409600, 504320, 630400, 806912, 1008640, 1260800, 1613824, 2017280, 2521600, 3227648, 4034560, 5043200, 8069120, 10086400, 16138240, 20172800, 40345600, 80691200]

約数ペア:

[(1, 80691200), (2, 40345600), (4, 20172800), (5, 16138240), (8, 10086400), (10, 8069120), (16, 5043200), (20, 4034560), (25, 3227648), (32, 2521600), (40, 2017280), (50, 1613824), (64, 1260800), (80, 1008640), (100, 806912), (128, 630400), (160, 504320), (197, 409600), (200, 403456), (256, 315200), (320, 252160), (394, 204800), (400, 201728), (512, 157600), (640, 126080), (788, 102400), (800, 100864), (985, 81920), (1024, 78800), (1280, 63040), (1576, 51200), (1600, 50432), (1970, 40960), (2048, 39400), (2560, 31520), (3152, 25600), (3200, 25216), (3940, 20480), (4096, 19700), (4925, 16384), (5120, 15760), (6304, 12800), (6400, 12608), (7880, 10240), (8192, 9850)]