82862140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{21031}}^1$

素因数の和:21237

約数の個数: 24

約数和(自身を含む): 174902112

約数和(自身を除く): 92039972

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 21031, 42062, 84124, 105155, 210310, 420620, 4143107, 8286214, 16572428, 20715535, 41431070, 82862140]

約数ペア:

[(1, 82862140), (2, 41431070), (4, 20715535), (5, 16572428), (10, 8286214), (20, 4143107), (197, 420620), (394, 210310), (788, 105155), (985, 84124), (1970, 42062), (3940, 21031)]