639826060

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{63601}}^1$

素因数の和:64113

約数の個数: 24

約数和(自身を含む): 1346327136

約数和(自身を除く): 706501076

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 63601, 127202, 254404, 318005, 636010, 1272020, 31991303, 63982606, 127965212, 159956515, 319913030, 639826060]

約数ペア:

[(1, 639826060), (2, 319913030), (4, 159956515), (5, 127965212), (10, 63982606), (20, 31991303), (503, 1272020), (1006, 636010), (2012, 318005), (2515, 254404), (5030, 127202), (10060, 63601)]