4239440

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 9943560

約数和(自身を除く): 5704120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 269, 394, 538, 788, 985, 1076, 1345, 1576, 1970, 2152, 2690, 3152, 3940, 4304, 5380, 7880, 10760, 15760, 21520, 52993, 105986, 211972, 264965, 423944, 529930, 847888, 1059860, 2119720, 4239440]

約数ペア:

[(1, 4239440), (2, 2119720), (4, 1059860), (5, 847888), (8, 529930), (10, 423944), (16, 264965), (20, 211972), (40, 105986), (80, 52993), (197, 21520), (269, 15760), (394, 10760), (538, 7880), (788, 5380), (985, 4304), (1076, 3940), (1345, 3152), (1576, 2690), (1970, 2152)]