4078040

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 9234000

約数和(自身を除く): 5155960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 379, 538, 758, 1076, 1345, 1516, 1895, 2152, 2690, 3032, 3790, 5380, 7580, 10760, 15160, 101951, 203902, 407804, 509755, 815608, 1019510, 2039020, 4078040]

約数ペア:

[(1, 4078040), (2, 2039020), (4, 1019510), (5, 815608), (8, 509755), (10, 407804), (20, 203902), (40, 101951), (269, 15160), (379, 10760), (538, 7580), (758, 5380), (1076, 3790), (1345, 3032), (1516, 2690), (1895, 2152)]