87972320

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2791}}^1$

素因数の和:3003

約数の個数: 48

約数和(自身を含む): 208964448

約数和(自身を除く): 120992128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2791, 3152, 3940, 5582, 6304, 7880, 11164, 13955, 15760, 22328, 27910, 31520, 44656, 55820, 89312, 111640, 223280, 446560, 549827, 1099654, 2199308, 2749135, 4398616, 5498270, 8797232, 10996540, 17594464, 21993080, 43986160, 87972320]

約数ペア:

[(1, 87972320), (2, 43986160), (4, 21993080), (5, 17594464), (8, 10996540), (10, 8797232), (16, 5498270), (20, 4398616), (32, 2749135), (40, 2199308), (80, 1099654), (160, 549827), (197, 446560), (394, 223280), (788, 111640), (985, 89312), (1576, 55820), (1970, 44656), (2791, 31520), (3152, 27910), (3940, 22328), (5582, 15760), (6304, 13955), (7880, 11164)]