1380171640

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{68597}}^1$

素因数の和:69111

約数の個数: 32

約数和(自身を含む): 3111605280

約数和(自身を除く): 1731433640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 20120, 68597, 137194, 274388, 342985, 548776, 685970, 1371940, 2743880, 34504291, 69008582, 138017164, 172521455, 276034328, 345042910, 690085820, 1380171640]

約数ペア:

[(1, 1380171640), (2, 690085820), (4, 345042910), (5, 276034328), (8, 172521455), (10, 138017164), (20, 69008582), (40, 34504291), (503, 2743880), (1006, 1371940), (2012, 685970), (2515, 548776), (4024, 342985), (5030, 274388), (10060, 137194), (20120, 68597)]