80238560

素因数分解:

$2^5\times 5^1\times {\mathrm{503}}^1\times {\mathrm{997}}^1$

素因数の和:1515

約数の個数: 48

約数和(自身を含む): 190130976

約数和(自身を除く): 109892416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503, 997, 1006, 1994, 2012, 2515, 3988, 4024, 4985, 5030, 7976, 8048, 9970, 10060, 15952, 16096, 19940, 20120, 31904, 39880, 40240, 79760, 80480, 159520, 501491, 1002982, 2005964, 2507455, 4011928, 5014910, 8023856, 10029820, 16047712, 20059640, 40119280, 80238560]

約数ペア:

[(1, 80238560), (2, 40119280), (4, 20059640), (5, 16047712), (8, 10029820), (10, 8023856), (16, 5014910), (20, 4011928), (32, 2507455), (40, 2005964), (80, 1002982), (160, 501491), (503, 159520), (997, 80480), (1006, 79760), (1994, 40240), (2012, 39880), (2515, 31904), (3988, 20120), (4024, 19940), (4985, 16096), (5030, 15952), (7976, 10060), (8048, 9970)]