165804920

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{10937}}^1$

素因数の和:11327

約数の個数: 32

約数和(自身を含む): 374079600

約数和(自身を除く): 208274680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 3032, 3790, 7580, 10937, 15160, 21874, 43748, 54685, 87496, 109370, 218740, 437480, 4145123, 8290246, 16580492, 20725615, 33160984, 41451230, 82902460, 165804920]

約数ペア:

[(1, 165804920), (2, 82902460), (4, 41451230), (5, 33160984), (8, 20725615), (10, 16580492), (20, 8290246), (40, 4145123), (379, 437480), (758, 218740), (1516, 109370), (1895, 87496), (3032, 54685), (3790, 43748), (7580, 21874), (10937, 15160)]