40119280

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{997}}^1$

素因数の和:1513

約数の個数: 40

約数和(自身を含む): 93556512

約数和(自身を除く): 53437232

約数列:

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

約数ペア:

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