67923640

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2099}}^1$

素因数の和:2919

約数の個数: 32

約数和(自身を含む): 153090000

約数和(自身を除く): 85166360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 2099, 3236, 4045, 4198, 6472, 8090, 8396, 10495, 16180, 16792, 20990, 32360, 41980, 83960, 1698091, 3396182, 6792364, 8490455, 13584728, 16980910, 33961820, 67923640]

約数ペア:

[(1, 67923640), (2, 33961820), (4, 16980910), (5, 13584728), (8, 8490455), (10, 6792364), (20, 3396182), (40, 1698091), (809, 83960), (1618, 41980), (2099, 32360), (3236, 20990), (4045, 16792), (4198, 16180), (6472, 10495), (8090, 8396)]