208536320

素因数分解:

$2^8\times 5^1\times {\mathrm{197}}^1\times {\mathrm{827}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 502652304

約数和(自身を除く): 294115984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 320, 394, 640, 788, 827, 985, 1280, 1576, 1654, 1970, 3152, 3308, 3940, 4135, 6304, 6616, 7880, 8270, 12608, 13232, 15760, 16540, 25216, 26464, 31520, 33080, 50432, 52928, 63040, 66160, 105856, 126080, 132320, 162919, 211712, 252160, 264640, 325838, 529280, 651676, 814595, 1058560, 1303352, 1629190, 2606704, 3258380, 5213408, 6516760, 10426816, 13033520, 20853632, 26067040, 41707264, 52134080, 104268160, 208536320]

約数ペア:

[(1, 208536320), (2, 104268160), (4, 52134080), (5, 41707264), (8, 26067040), (10, 20853632), (16, 13033520), (20, 10426816), (32, 6516760), (40, 5213408), (64, 3258380), (80, 2606704), (128, 1629190), (160, 1303352), (197, 1058560), (256, 814595), (320, 651676), (394, 529280), (640, 325838), (788, 264640), (827, 252160), (985, 211712), (1280, 162919), (1576, 132320), (1654, 126080), (1970, 105856), (3152, 66160), (3308, 63040), (3940, 52928), (4135, 50432), (6304, 33080), (6616, 31520), (7880, 26464), (8270, 25216), (12608, 16540), (13232, 15760)]