340640

素因数分解:

$2^5\times 5^1\times {\mathrm{2129}}^1$

素因数の和:2144

約数の個数: 24

約数和(自身を含む): 805140

約数和(自身を除く): 464500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2129, 4258, 8516, 10645, 17032, 21290, 34064, 42580, 68128, 85160, 170320, 340640]

約数ペア:

[(1, 340640), (2, 170320), (4, 85160), (5, 68128), (8, 42580), (10, 34064), (16, 21290), (20, 17032), (32, 10645), (40, 8516), (80, 4258), (160, 2129)]