164089480

素因数分解:

$2^3\times 5^1\times {\mathrm{4102237}}^1$

素因数の和:4102248

約数の個数: 16

約数和(自身を含む): 369201420

約数和(自身を除く): 205111940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4102237, 8204474, 16408948, 20511185, 32817896, 41022370, 82044740, 164089480]

約数ペア:

[(1, 164089480), (2, 82044740), (4, 41022370), (5, 32817896), (8, 20511185), (10, 16408948), (20, 8204474), (40, 4102237)]