2016271360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1999}}^1$

素因数の和:2221

約数の個数: 88

約数和(自身を含む): 4863672000

約数和(自身を除く): 2847400640

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, 1999, 2560, 3152, 3940, 3998, 5120, 6304, 7880, 7996, 9995, 12608, 15760, 15992, 19990, 25216, 31520, 31984, 39980, 50432, 63040, 63968, 79960, 100864, 126080, 127936, 159920, 201728, 252160, 255872, 319840, 393803, 504320, 511744, 639680, 787606, 1008640, 1023488, 1279360, 1575212, 1969015, 2046976, 2558720, 3150424, 3938030, 5117440, 6300848, 7876060, 10234880, 12601696, 15752120, 25203392, 31504240, 50406784, 63008480, 100813568, 126016960, 201627136, 252033920, 403254272, 504067840, 1008135680, 2016271360]

約数ペア:

[(1, 2016271360), (2, 1008135680), (4, 504067840), (5, 403254272), (8, 252033920), (10, 201627136), (16, 126016960), (20, 100813568), (32, 63008480), (40, 50406784), (64, 31504240), (80, 25203392), (128, 15752120), (160, 12601696), (197, 10234880), (256, 7876060), (320, 6300848), (394, 5117440), (512, 3938030), (640, 3150424), (788, 2558720), (985, 2046976), (1024, 1969015), (1280, 1575212), (1576, 1279360), (1970, 1023488), (1999, 1008640), (2560, 787606), (3152, 639680), (3940, 511744), (3998, 504320), (5120, 393803), (6304, 319840), (7880, 255872), (7996, 252160), (9995, 201728), (12608, 159920), (15760, 127936), (15992, 126080), (19990, 100864), (25216, 79960), (31520, 63968), (31984, 63040), (39980, 50432)]